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Is the Earth itself a giant living creature?

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Monday, April 22, 2024

Rachel Victoria Hillis for Vox An old, much-ridiculed hypothesis said yes. It’s time to take it seriously. In the 1970s, chemist James Lovelock and microbiologist Lynn Margulis put forth a bold theory: The Earth is a giant living organism. When a mammal is hot, it sweats to cool itself off. If you nick your skin with a knife, the skin will scab and heal. Lovelock and Margulis argued that our planet has similar processes of self-regulation, which arguably, make it seem like the Earth itself is alive. The idea wasn’t unprecedented in human history. “The fundamental concept of a living world is ancient,” says Ferris Jabr, a science journalist and author of the upcoming book Becoming Earth: How Our Planet Came to Life. The book explores all the ways life has shaped our physical world and, in doing so, inevitably revisits the question “Is the Earth alive?” Lovelock and Margulis called the idea “the Gaia Hypothesis” — named after the ancient Greek goddess of the Earth. It was openly mocked by many in mainstream Western science. “For many decades, the Gaia hypothesis was considered kind of this fringe sort of woo-woo idea,” Jabr says. “Because for biologists,” Jabr says, life is a specific thing. “It is typically thought of as an organism that is a product of Darwinian evolution by natural selection. And Earth as a planet does not meet those criteria.” It didn’t help that the original articulation of Gaia granted Earth a certain degree of sentience. The hypothesis argued “all of the living organisms on Earth are collaborating to deliberately create a climate that is suitable for life,” as Jabr says. But yet, this idea has persisted, for a few reasons. Scientists have never been able to precisely define what life is. So, it’s been hard to dismiss Gaia completely. The Gaia hypothesis has also evolved over the years. Later iterations deemphasized that life was “collaborating” to transform the Earth, Jabr explains. Which still leaves a lot to be explored: Certainly living things don’t need to be thought of as conscious, or have agency, to be considered alive. Consider the clam, which lacks a central nervous system. Jabr found in the years since Gaia was first introduced, scientists have uncovered more connections between biology, ecology, and geology, which make the boundaries between these disciplines appear even more fuzzy. The Amazon rainforest essentially “summons” its own rain, as Jabr explains in his book. They learned how life is involved in the process that generated the continents. Life plays a role in regulating Earth’s temperature. They’ve learned that just about everywhere you look on Earth, you find life influencing the physical properties of our planet. In reporting his book, Jabr comes to the conclusion that not only is the Earth indeed a living creature, but thinking about it in such a way might help inspire action in dealing with the climate crisis. Brian Resnick spoke to Jabr for an episode of Unexplainable, Vox’s podcast that explores scientific mysteries, unanswered questions, and all the things we learn by diving into the unknown. You can listen to the full conversation here. This interview has been edited for length and clarity. Brian Resnick Do you think the Earth is alive? Ferris Jabr I do. I think Earth is alive. We can think of Earth as a genuine living entity, in a meaningful sense, and in a scientific sense. There are four parts to the argument that substantiate that statement. Brian Resnick What’s the first? Ferris Jabr Life isn’t just on Earth. It literally came out of Earth. It is literally part of Earth. It is Earth. All of the matter that we refer to as life is Earth animated — that’s how I come to think about it. If you accept that, then at a bare minimum, you have to accept as a scientific fact that the surface of the planet is genuinely alive, because it is matter that has become animated. Brian Resnick Earth animated? What do you mean by that? Ferris Jabr Every single living organism is literally made of Earth. All of its constituent elements and components are parts of the planet. We all come from the planet. We all return to the planet. It’s just a big cycle. And so life, the biological matter on the planet, is literally the matter of the planet, animated. It is living matter. Imagine a vast beach and sandcastles and other sculptures spontaneously emerge from the sand. They are still made of sand, right? They’re not suddenly divorced from the beach just because they’ve arisen from the beach. Those castles and sculptures are still literally the beach. And I think it’s the same with life and Earth. Brian Resnick So, the physical components of Earth are the material of life. And so distinguishing these two — Earth and life — seems silly because they comprise each other? Ferris Jabr The more you think about this, the more the boundaries dissolve. Every layer of the planet that we’ve been able to access, we find life there. And in the deepest mines that we have dug, we continue to find microbes and sometimes even more complex organisms like nematodes, these tiny, worm-like creatures. Brian Resnick So all life contains Earth, and Earth contains life? Ferris Jabr There are components of the Earth that are not alive in any way. The center of the planet, it’s all molten rock and there might be some solid metal in the core. But think about a redwood tree: It is mostly dead wood in terms of its volume and mass. It is mostly nonliving tissue. And then a little bit of tissue that is laced with living cells. So, you know, most complex multicellular living entities are a jumble of the animate and inanimate. Earth is not unusual in that way. Brian Resnick What is part two of your argument? Ferris Jabr All these organisms [on Earth], they give Earth a kind of anatomy and physiology. Life dramatically increases the planet’s capacity to absorb, store, and transform energy, to exchange gases, and to perform complex chemical reactions. Brian Resnick What’s a good example of this? Ferris Jabr You can think of all of the photosynthetic life on the planet acting in concert. It’s not that they’re deliberately collaborating to do something, but they’re all doing their own thing at the same time. NASA has made these amazing videos and animations and they’ve literally called them “Earth breathing,” because you can see how the levels of carbon dioxide and oxygen in the atmosphere fluctuate with the seasons. The amount of vegetation that rings the continents, especially in the Northern Hemisphere, in the mid-latitudes, it changes dramatically with the seasons. It has a sinuous rhythm. It looks like a pulse or like breathing. Brian Resnick So, are you saying something like all of the algae or plankton in the ocean are generating this together? … Is that kind of like how all of the cells in my lungs are working together to exchange gases? Or is that not quite the right way to think about it? Ferris Jabr I think we have to be careful with making too direct a comparison. You as an organism are a product of evolution by natural selection. Your structure, your anatomy is something that was written into your genome. That’s not how the Earth system formed. Brian Resnick I’m realizing a key to this conversation is what you just corrected me on. When we’re discussing this notion about the “Earth being alive,” we’re not suggesting it’s not alive in the same way you and I are. But there’s these equivalent processes that look very similar to the way my body maintains homeostasis, for example. It’s not like the Earth is exchanging gases and doing metabolism-like things in the way I’ve been evolved to. It’s not achieving homeostasis the way you or I do. But yet it is doing something that seems analogous. Is that the kind of thing that you’re arguing here, overall? Ferris Jabr Absolutely. When we’re looking at the planet, we see life-like qualities, things that resemble the characteristics of the organism, which is the most familiar life form to us. But it is not exactly the same. It is still genuinely alive, in my opinion, but is not exactly an organism. Life is a phenomenon that occurs at multiple scales. The way I think of it is that it’s not identical at all of those scales, but it rhymes and there are analogies between each of those scales. I like to think of a leaf on a tree in a forest on a planet. There’s no disagreement whatsoever within science that the cells that compose that leaf are alive. The tissues that those cells form are alive. The leaf as a whole is a living tissue. The tree we consider an organism that is also alive. We consider each of those layers to be alive. There’s no debate or controversy about that. Once we go above the scale of the organism, this is where the debate begins. Can we think of the forest, the ecosystem, as alive as well? And then one more level higher. Can we think of the planet as alive? My argument is, yes, that each of those levels, each of those scales is equally alive but not identical. And there are analogous processes that happen at each. But they’re not exactly the same. Brian Resnick What is the next plank of your argument? Ferris Jabr Life is also an engine of planetary evolution. The planet evolves over time dramatically. It is not exactly the same as standard Darwinian evolution through natural selection, but it is very much a type of evolution. Organisms and their environments continually co-evolve. Each is profoundly changing the other. This reciprocal transformation is responsible for many of the planet’s defining features: for our breathable atmosphere, our blue sky, our bountiful oceans, our fertile soils. This is all because of life and because of the way that life has changed the planetary environments. These are not default features of the planet. Life has created them over time. Brian Resnick What is the most stunning example of how life has actually changed the planet? Ferris Jabr In the beginning, Earth had essentially no free oxygen in its atmosphere, and the sky was probably a hazy orange. And when cyanobacteria began to oxygenate the atmosphere through the innovation of photosynthesis, the sky probably started shifting toward the blue part of the spectrum. The entire chemistry of the planet changed. I mean, you suddenly had an oxygen-rich environment, whereas before it was an oxygen-poor environment. That changes absolutely everything. Brian Resnick Okay, so to get back to what you were saying before, it’s not that Earth evolves in the same way that organisms evolve. But it evolves with a different mechanism, is that right? Ferris Jabr Evolutionary biologists will say a planet cannot evolve because it doesn’t have a cohesive genome. There’s no genetic inheritance going on; there’s no sexual reproduction going on. But there are analogous processes by which changes are passed down from generation to generation that are not genetically encoded. If we think about a bunch of large mammals, they’re transforming their landscape by walking through it with their immense hefts. They’re tearing down vegetation. They’re digging in, uprooting things. They’re changing the landscape. Those changes persist. And so their descendants now are evolving in a new environment changed by their predecessors. These environmental changes are not themselves genetically encoded, but they are being passed from generation to generation, and they are inevitably influencing the evolution that follows. Brian Resnick If a fundamental part of life is that it changes the world in which it exists, how are we different for accelerating the climate crisis? Because you look at the history of the Earth and you say, well, life has powerfully changed it. Who’s to say what we’re doing is necessarily not a natural process? Ferris Jabr It’s simultaneously humbling and empowering to recognize ourselves as simply the latest chapter in this long evolutionary saga of life changing the planet. It is a basic property of life to change its environment, and we’re not an exception to that. But I do think there’s a major distinction between what our species has done and what has happened before in terms of the combined scale and speed and the variety of our changes to the planet. I don’t think there’s any species or creature before us that has changed the planet on such a large scale so quickly and in so many different ways simultaneously. We have radically altered the atmosphere, the oceans, and the continents. We’ve done it in a couple of centuries. That’s a huge part of the reason for why the crisis we’re going through right now is a crisis. It has so much to do with the scale and the speed of it. Brian Resnick What’s part four of your argument? Ferris Jabr This co-evolution, on the whole, has amplified the planet’s capacity for self-regulation and enhanced Earth’s resilience. Earth has remained alive for, you know, around 4 billion years, despite repeated catastrophes of unfathomable scale, unlike anything that we have ever experienced in human history. We have to account for that resilience, for that incredible persistence through time. It is not a deliberate thing. You know, it is not a conscious or collaborative thing. It is simply an inevitable physical process, just as evolution by natural selection is an inevitable physical process. Even in the mass extinctions in Earth’s history, life recedes to its most fundamental and most resilient forms: microbes. And then life sprouts from there. Brian Resnick Are you sure you’re right about all this? Is the scientific community coming around to accept this notion that Earth is indeed alive? Ferris Jabr I mean, this book is my personal synthesis, an argument. You know, this is my viewpoint. This is how I have come to see the Earth. There are scientists who agree with me, but I would not say that this is the consensus of modern mainstream science. I think the statement that Earth is alive remains quite controversial and provocative. However, everything else we’ve been talking about, the co-evolution of life and environment, the fact that life has profoundly changed the planet. These are all well-accepted points. Brian Resnick Which part are you most likely wrong about? Or which part do you feel like has the most room for doubt? Ferris Jabr We do not have a precise, universally accepted definition of life. We haven’t explained it on the most fundamental level. Like 100 years from now, will we have a fundamental explanation for life that we’re missing right now? And if we do, will that make thinking of planets as alive defunct? And so, I think open-mindedness is fundamental to any scientific thinking or scientific process. And we have to be open to the idea that a century from now, or even sooner, all of this will be wrong. And that’s part of what I find thrilling: We don’t have all of the answers yet. Right? These are incredibly challenging ideas and concepts that we are still working out. If we had figured it out, then we wouldn’t be talking about the Gaia hypothesis anymore. The Gaia would have been officially dead a long time ago. But I think the reason that it remains relevant and continues to be debated means that we just haven’t figured it out yet. Brian Resnick Why is it useful to think of the Earth as alive? Ferris Jabr There’s a massive difference between thinking of ourselves as living creatures that simply reside on a planet, that simply inhabit a planet, versus being a component of a much larger living entity. When we properly understand our role within the living Earth system, I think the moral urgency of the climate crisis really comes into focus. All of a sudden it’s not just that, oh, the bad humans have harmed the environment and we need to do something about it. It’s that each of us is literally Earth animated, and we are one part of this much larger, living entity. It’s a realization that everything that we are all doing moment to moment, day to day, is affecting this larger living entity in some way. Brian Resnick So, the simple point that you’re making is that we are Earth, and don’t self-harm. Ferris Jabr Right, exactly.

An illustration of a land mass is covered in wildlife, lush greenery and people all interacting. Blue water and sea life surrounds.
Rachel Victoria Hillis for Vox

An old, much-ridiculed hypothesis said yes. It’s time to take it seriously.

In the 1970s, chemist James Lovelock and microbiologist Lynn Margulis put forth a bold theory: The Earth is a giant living organism.

When a mammal is hot, it sweats to cool itself off. If you nick your skin with a knife, the skin will scab and heal. Lovelock and Margulis argued that our planet has similar processes of self-regulation, which arguably, make it seem like the Earth itself is alive.

The idea wasn’t unprecedented in human history. “The fundamental concept of a living world is ancient,” says Ferris Jabr, a science journalist and author of the upcoming book Becoming Earth: How Our Planet Came to Life. The book explores all the ways life has shaped our physical world and, in doing so, inevitably revisits the question “Is the Earth alive?”

Lovelock and Margulis called the idea “the Gaia Hypothesis” — named after the ancient Greek goddess of the Earth. It was openly mocked by many in mainstream Western science. “For many decades, the Gaia hypothesis was considered kind of this fringe sort of woo-woo idea,” Jabr says. “Because for biologists,” Jabr says, life is a specific thing. “It is typically thought of as an organism that is a product of Darwinian evolution by natural selection. And Earth as a planet does not meet those criteria.”

It didn’t help that the original articulation of Gaia granted Earth a certain degree of sentience. The hypothesis argued “all of the living organisms on Earth are collaborating to deliberately create a climate that is suitable for life,” as Jabr says. But yet, this idea has persisted, for a few reasons. Scientists have never been able to precisely define what life is. So, it’s been hard to dismiss Gaia completely.

The Gaia hypothesis has also evolved over the years. Later iterations deemphasized that life was “collaborating” to transform the Earth, Jabr explains. Which still leaves a lot to be explored: Certainly living things don’t need to be thought of as conscious, or have agency, to be considered alive. Consider the clam, which lacks a central nervous system.

Jabr found in the years since Gaia was first introduced, scientists have uncovered more connections between biology, ecology, and geology, which make the boundaries between these disciplines appear even more fuzzy. The Amazon rainforest essentially “summons” its own rain, as Jabr explains in his book. They learned how life is involved in the process that generated the continents. Life plays a role in regulating Earth’s temperature. They’ve learned that just about everywhere you look on Earth, you find life influencing the physical properties of our planet.

In reporting his book, Jabr comes to the conclusion that not only is the Earth indeed a living creature, but thinking about it in such a way might help inspire action in dealing with the climate crisis.

Brian Resnick spoke to Jabr for an episode of Unexplainable, Vox’s podcast that explores scientific mysteries, unanswered questions, and all the things we learn by diving into the unknown. You can listen to the full conversation here. This interview has been edited for length and clarity.

Brian Resnick

Do you think the Earth is alive?

Ferris Jabr

I do. I think Earth is alive. We can think of Earth as a genuine living entity, in a meaningful sense, and in a scientific sense. There are four parts to the argument that substantiate that statement.

Brian Resnick

What’s the first?

Ferris Jabr

Life isn’t just on Earth. It literally came out of Earth. It is literally part of Earth. It is Earth. All of the matter that we refer to as life is Earth animated — that’s how I come to think about it. If you accept that, then at a bare minimum, you have to accept as a scientific fact that the surface of the planet is genuinely alive, because it is matter that has become animated.

Brian Resnick

Earth animated? What do you mean by that?

Ferris Jabr

Every single living organism is literally made of Earth. All of its constituent elements and components are parts of the planet. We all come from the planet. We all return to the planet. It’s just a big cycle. And so life, the biological matter on the planet, is literally the matter of the planet, animated. It is living matter.

Imagine a vast beach and sandcastles and other sculptures spontaneously emerge from the sand. They are still made of sand, right? They’re not suddenly divorced from the beach just because they’ve arisen from the beach. Those castles and sculptures are still literally the beach. And I think it’s the same with life and Earth.

Brian Resnick

So, the physical components of Earth are the material of life. And so distinguishing these two — Earth and life — seems silly because they comprise each other?

Ferris Jabr

The more you think about this, the more the boundaries dissolve.

Every layer of the planet that we’ve been able to access, we find life there. And in the deepest mines that we have dug, we continue to find microbes and sometimes even more complex organisms like nematodes, these tiny, worm-like creatures.

Brian Resnick

So all life contains Earth, and Earth contains life?

Ferris Jabr

There are components of the Earth that are not alive in any way. The center of the planet, it’s all molten rock and there might be some solid metal in the core.

But think about a redwood tree: It is mostly dead wood in terms of its volume and mass. It is mostly nonliving tissue. And then a little bit of tissue that is laced with living cells. So, you know, most complex multicellular living entities are a jumble of the animate and inanimate. Earth is not unusual in that way.

Brian Resnick

What is part two of your argument?

Ferris Jabr

All these organisms [on Earth], they give Earth a kind of anatomy and physiology. Life dramatically increases the planet’s capacity to absorb, store, and transform energy, to exchange gases, and to perform complex chemical reactions.

Brian Resnick

What’s a good example of this?

Ferris Jabr

You can think of all of the photosynthetic life on the planet acting in concert. It’s not that they’re deliberately collaborating to do something, but they’re all doing their own thing at the same time.

NASA has made these amazing videos and animations and they’ve literally called them “Earth breathing,” because you can see how the levels of carbon dioxide and oxygen in the atmosphere fluctuate with the seasons. The amount of vegetation that rings the continents, especially in the Northern Hemisphere, in the mid-latitudes, it changes dramatically with the seasons. It has a sinuous rhythm. It looks like a pulse or like breathing.

Brian Resnick

So, are you saying something like all of the algae or plankton in the ocean are generating this together? … Is that kind of like how all of the cells in my lungs are working together to exchange gases? Or is that not quite the right way to think about it?

Ferris Jabr

I think we have to be careful with making too direct a comparison. You as an organism are a product of evolution by natural selection. Your structure, your anatomy is something that was written into your genome. That’s not how the Earth system formed.

Brian Resnick

I’m realizing a key to this conversation is what you just corrected me on. When we’re discussing this notion about the “Earth being alive,” we’re not suggesting it’s not alive in the same way you and I are. But there’s these equivalent processes that look very similar to the way my body maintains homeostasis, for example. It’s not like the Earth is exchanging gases and doing metabolism-like things in the way I’ve been evolved to. It’s not achieving homeostasis the way you or I do. But yet it is doing something that seems analogous. Is that the kind of thing that you’re arguing here, overall?

Ferris Jabr

Absolutely.

When we’re looking at the planet, we see life-like qualities, things that resemble the characteristics of the organism, which is the most familiar life form to us. But it is not exactly the same. It is still genuinely alive, in my opinion, but is not exactly an organism.

Life is a phenomenon that occurs at multiple scales. The way I think of it is that it’s not identical at all of those scales, but it rhymes and there are analogies between each of those scales.

I like to think of a leaf on a tree in a forest on a planet.

There’s no disagreement whatsoever within science that the cells that compose that leaf are alive. The tissues that those cells form are alive. The leaf as a whole is a living tissue. The tree we consider an organism that is also alive. We consider each of those layers to be alive. There’s no debate or controversy about that.

Once we go above the scale of the organism, this is where the debate begins. Can we think of the forest, the ecosystem, as alive as well? And then one more level higher. Can we think of the planet as alive?

My argument is, yes, that each of those levels, each of those scales is equally alive but not identical. And there are analogous processes that happen at each. But they’re not exactly the same.

Brian Resnick

What is the next plank of your argument?

Ferris Jabr

Life is also an engine of planetary evolution. The planet evolves over time dramatically. It is not exactly the same as standard Darwinian evolution through natural selection, but it is very much a type of evolution.

Organisms and their environments continually co-evolve. Each is profoundly changing the other.

This reciprocal transformation is responsible for many of the planet’s defining features: for our breathable atmosphere, our blue sky, our bountiful oceans, our fertile soils. This is all because of life and because of the way that life has changed the planetary environments. These are not default features of the planet. Life has created them over time.

Brian Resnick

What is the most stunning example of how life has actually changed the planet?

Ferris Jabr

In the beginning, Earth had essentially no free oxygen in its atmosphere, and the sky was probably a hazy orange. And when cyanobacteria began to oxygenate the atmosphere through the innovation of photosynthesis, the sky probably started shifting toward the blue part of the spectrum.

The entire chemistry of the planet changed. I mean, you suddenly had an oxygen-rich environment, whereas before it was an oxygen-poor environment. That changes absolutely everything.

Brian Resnick

Okay, so to get back to what you were saying before, it’s not that Earth evolves in the same way that organisms evolve. But it evolves with a different mechanism, is that right?

Ferris Jabr

Evolutionary biologists will say a planet cannot evolve because it doesn’t have a cohesive genome. There’s no genetic inheritance going on; there’s no sexual reproduction going on.

But there are analogous processes by which changes are passed down from generation to generation that are not genetically encoded.

If we think about a bunch of large mammals, they’re transforming their landscape by walking through it with their immense hefts. They’re tearing down vegetation. They’re digging in, uprooting things. They’re changing the landscape.

Those changes persist. And so their descendants now are evolving in a new environment changed by their predecessors. These environmental changes are not themselves genetically encoded, but they are being passed from generation to generation, and they are inevitably influencing the evolution that follows.

Brian Resnick

If a fundamental part of life is that it changes the world in which it exists, how are we different for accelerating the climate crisis? Because you look at the history of the Earth and you say, well, life has powerfully changed it. Who’s to say what we’re doing is necessarily not a natural process?

Ferris Jabr

It’s simultaneously humbling and empowering to recognize ourselves as simply the latest chapter in this long evolutionary saga of life changing the planet. It is a basic property of life to change its environment, and we’re not an exception to that.

But I do think there’s a major distinction between what our species has done and what has happened before in terms of the combined scale and speed and the variety of our changes to the planet. I don’t think there’s any species or creature before us that has changed the planet on such a large scale so quickly and in so many different ways simultaneously.

We have radically altered the atmosphere, the oceans, and the continents. We’ve done it in a couple of centuries. That’s a huge part of the reason for why the crisis we’re going through right now is a crisis. It has so much to do with the scale and the speed of it.

Brian Resnick

What’s part four of your argument?

Ferris Jabr

This co-evolution, on the whole, has amplified the planet’s capacity for self-regulation and enhanced Earth’s resilience. Earth has remained alive for, you know, around 4 billion years, despite repeated catastrophes of unfathomable scale, unlike anything that we have ever experienced in human history. We have to account for that resilience, for that incredible persistence through time.

It is not a deliberate thing. You know, it is not a conscious or collaborative thing. It is simply an inevitable physical process, just as evolution by natural selection is an inevitable physical process.

Even in the mass extinctions in Earth’s history, life recedes to its most fundamental and most resilient forms: microbes. And then life sprouts from there.

Brian Resnick

Are you sure you’re right about all this? Is the scientific community coming around to accept this notion that Earth is indeed alive?

Ferris Jabr

I mean, this book is my personal synthesis, an argument. You know, this is my viewpoint. This is how I have come to see the Earth. There are scientists who agree with me, but I would not say that this is the consensus of modern mainstream science. I think the statement that Earth is alive remains quite controversial and provocative. However, everything else we’ve been talking about, the co-evolution of life and environment, the fact that life has profoundly changed the planet. These are all well-accepted points.

Brian Resnick

Which part are you most likely wrong about? Or which part do you feel like has the most room for doubt?

Ferris Jabr

We do not have a precise, universally accepted definition of life. We haven’t explained it on the most fundamental level. Like 100 years from now, will we have a fundamental explanation for life that we’re missing right now? And if we do, will that make thinking of planets as alive defunct? And so, I think open-mindedness is fundamental to any scientific thinking or scientific process. And we have to be open to the idea that a century from now, or even sooner, all of this will be wrong.

And that’s part of what I find thrilling: We don’t have all of the answers yet. Right? These are incredibly challenging ideas and concepts that we are still working out. If we had figured it out, then we wouldn’t be talking about the Gaia hypothesis anymore. The Gaia would have been officially dead a long time ago. But I think the reason that it remains relevant and continues to be debated means that we just haven’t figured it out yet.

Brian Resnick

Why is it useful to think of the Earth as alive?

Ferris Jabr

There’s a massive difference between thinking of ourselves as living creatures that simply reside on a planet, that simply inhabit a planet, versus being a component of a much larger living entity. When we properly understand our role within the living Earth system, I think the moral urgency of the climate crisis really comes into focus.

All of a sudden it’s not just that, oh, the bad humans have harmed the environment and we need to do something about it. It’s that each of us is literally Earth animated, and we are one part of this much larger, living entity. It’s a realization that everything that we are all doing moment to moment, day to day, is affecting this larger living entity in some way.

Brian Resnick

So, the simple point that you’re making is that we are Earth, and don’t self-harm.

Ferris Jabr

Right, exactly.

Read the full story here.
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Wild turkeys off the menu in Maine after ‘forever chemicals’ found in birds

Contamination of wildlife with Pfas, which can increase risk of cancer, a growing problem in USHunters in Maine have been warned not to eat wild turkeys in parts of the state, after the birds were found to contain “forever chemicals” that can cause an increased risk of cancer.Maine officials warned that high levels of Pfas – per- and polyfluoroalkyl substances – have been detected in wild turkey and deer killed and harvested in areas in the south-west of the state. Continue reading...

Hunters in Maine have been warned not to eat wild turkeys in parts of the state, after the birds were found to contain “forever chemicals” that can cause an increased risk of cancer.Maine officials warned that high levels of Pfas – per- and polyfluoroalkyl substances – have been detected in wild turkey and deer killed and harvested in areas in the south-west of the state.The warning could put a dampener on Thanksgiving plans for those who like to hunt and shoot their own dinner centerpiece. But the reality is that wildlife becoming contaminated with Pfas is increasingly a problem in the US.Earlier this fall Wisconsin and Michigan also issued “do not eat” advisories for deer, fish and birds, while in January health officials in New Mexico warned hunters that harmful chemicals had been found in wildlife at a lake in the south of the state.Maine’s department of inland fisheries and wildlife issued “do not eat” advisories in four areas north of Augusta, Maine’s capital earlier this month.“It was found that wildlife sampled within a mile of areas with high soil PFAS concentration levels resulted in animals that had levels of PFAS in their muscle tissue that warranted an advisory,” inland fisheries and wildlife said. “The Department and the Maine CDC [Centers for Disease Control] recommend that no one eats deer or wild turkey harvested in these wildlife consumption advisory areas.”Pfas are a group of chemicals that have been used in manufacturing and added to consumer products since the 1950s. They can take hundreds or even thousands of years to degrade, meaning if they leak into soil or water they can remain there for centuries. The chemicals have been linked to cancer, birth defects, decreased immunity, high cholesterol, kidney disease and a range of other serious health problems.“Wildlife is already contaminated with Pfas on a global scale, and that contamination will continue to be an issue until we greatly reduce the use of Pfas in consumer products and industrial applications,” Tasha Stoiber, a senior scientist at the non-profit Environmental Working Group, said in an interview with the Guardian.Maine, which said it was sampling other areas in the state for Pfas, is not alone in being forced to confront the problem of forever chemicals. At least 17 states have issued advisories against eating fish containing Pfas, and birds and mammals appear to increasingly be a concern.The Michigan departments of health and human services and natural resources issued do not eat advisories in Clark’s Marsh, close to the former Wurtsmith air force base, in September. Officials warned that deer were likely to have “various” Pfas substances, and also said people should not eat any fish, aquatic or semi-aquatic wildlife taken from the marsh.Various advisories have been in place in the area since 2012, with the Pfas contamination linked to the use by the military of foam to extinguish fires. In August New Mexico found alarming levels of Pfas in the blood of people living or working near Cannon air force base – again due to military use of firefighting foam.Wisconsin issued advisories against eating fish and deer in an area around the town of Stella, in the north of the state. Officials said people should only eat deer muscle once a month, and should avoid eating deer liver altogether.Stoiber said it would take “decades” to remediate existing Pfas contamination.“The most effective and important step is to phase out the widespread use of Pfas in commerce and stop ongoing discharges of Pfas into the environment,” she said.“Federal regulations such as enforceable drinking water standards and stronger protections for source water are essential to reducing Pfas pollution and limiting future exposure.“Public education is equally critical. People need clear information about how Pfas exposures occur, since informed public pressure is often needed to drive policymakers to take action and end the widespread use of Pfas.”

Ambitious Plan to Store CO2 Beneath the North Sea Set to Start Operations

INEOS plans to transform the Nini oil field in the North Sea into a carbon storage site

NORTH SEA, Denmark (AP) — Appearing first as a dot on the horizon, the remote Nini oil field on Europe’s rugged North Sea slowly comes into view from a helicopter.Used to extract fossil fuels, the field is now getting a second lease on life as a means of permanently storing planet-warming carbon dioxide beneath the seabed.In a process that almost reverses oil extraction, chemical giant INEOS plans to inject liquefied CO2 deep down into depleted oil reservoirs, 1,800 meters (5,900 feet) beneath the seabed.The Associated Press made a rare visit to the Siri platform, close to the unmanned Nini field, the final stage in INEOS’ carbon capture and storage efforts, named Greensand Future.When the project begins commercial operations next year, Greensand is expected to become the European Union’s first fully-operational offshore CO2 storage site. Environmentalists say carbon capture and storage, also known as CCS, has a role to play in dealing with climate change but should not be used as an excuse by industries to avoid cutting emissions. Mads Gade, chief executive of INEOS Energy Europe, says it will initially begin storing 400,000 tons (363,000 metric tons) of CO2 per year, scaling up to as much as 8 million tons (7.3 million metric tons) annually by 2030.“Denmark has the potential to actually store more than several hundred years of our own emissions,” says Gade. “We are able to create an industry where we can support Europe in actually storing a lot of the CO2 here.”Greensand has struck deals with Danish biogas facilities to bury their captured carbon emissions into the Nini field’s depleted reservoirs.A “CO2 terminal” that temporarily stores the liquefied gas is being built at the Port of Esbjerg, on the western coast of the Danish Jutland peninsula. A purpose-built carrier vessel, dubbed “Carbon Destroyer 1,” is under construction in the Netherlands.Proponents of carbon capture technology say it is a climate solution because it can remove the greenhouse gas that is the biggest driver of climate change and bury it deep underground.The EU has proposed developing at least 250 million tons (227 million metric tons) of CO2 storage per year by 2040, as part of plans to reach “net zero” emissions by 2050.Gade says carbon capture and storage is one of the best means of cutting emissions."We don’t want to deindustrialize Europe,” he said. “We want to have actually a few instruments to decarbonize instead.”Experts at Denmark’s geological survey say Greensand sandstone rock is well-suited for storing the liquefied CO2. Almost a third of the rock volume is made up of tiny cavities, said Niels Schovsbo, senior researcher at the Geological Survey of Denmark and Greenland.“We found that there (are) no reactions between the reservoir and the injected CO2. And we find that the seal rock on top of that has sufficient capacity to withhold the pressure that is induced when we are storing CO2 in the subsurface,” added Schovsbo. “These two methods makes it a perfect site for storage right there.” Limitations and criticism But while there are many carbon capture facilities around the world, the technology is far from scale, sometimes uses fossil fuel energy in its operations and captures just a tiny fraction of worldwide emissions.The Greensand project aims to bury up to 8 million tons (7.3 million metric tons) of CO2 a year by 2030. The International Energy Agency says nearly 38 billion tons (34.5 billion metric tons) of CO2 were emitted globally last year.Environmental campaigners say CCS has been used as an excuse by industries to delay cutting emissions.“We could have CCS on those very few sectors where emissions are truly difficult or impossible to abate,” said Helene Hagel, head of climate and environmental policy at Greenpeace Denmark.“But when you have all sectors in society almost saying, we need to just catch the emissions and store them instead of reducing emissions — that is the problem.”While the chemical giant ramps up carbon storage efforts, it is also hoping to begin development at another previously unopened North Sea oil field."The footprint we deliver from importing energy against producing domestic or regional oil and gas is a lot more important for the transition instead of importing with a higher footprint,” said Gade, defending the company’s plans.“We see a purpose in doing this for a period while we create a transition for Europe.”The Associated Press’ climate and environmental coverage receives financial support from multiple private foundations. AP is solely responsible for all content. Find AP’s standards for working with philanthropies, a list of supporters and funded coverage areas at AP.org.Copyright 2025 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.Photos You Should See – Nov. 2025

California regulators approve rules to curb methane leaks and prevent fires at landfills

California air regulators adopted new rules designed to reduce methane leaks and better respond to disastrous underground fires at landfills statewide.

In one of the most important state environmental decisions this year, California air regulators adopted new rules designed to reduce methane leaks and better respond to disastrous underground fires at landfills statewide. California Air Resources Board members voted 12-0 on Thursday to approve a batch of new regulations for the state’s nearly 200 large landfills, designed to minimize the release of methane, a powerful greenhouse gas produced by decomposing organic waste. Landfills are California’s second-largest source of methane emissions, following only the state’s large dairy cow and livestock herds.The new requirements will force landfill operators to install additional pollution controls; more comprehensively investigate methane leaks on parts of landfills that are inaccessible with on-the-ground monitoring using new technology like drones and satellites; and fix equipment breakdowns much faster. Landfill operators also will be required to repair leaks identified through California’s new satellite-detection program. The regulation is expected to prevent the release of 17,000 metric tons of methane annually — an amount capable of warming the atmosphere as much as 110,000 gas-fired cars driven for a year. It also will curtail other harmful landfill pollution, such as lung-aggravating sulfur and cancer-causing benzene. Landfill operators will be required to keep better track of high temperatures and take steps to minimize the fire risks that heat could create. There are underground fires burning in at least two landfills in Southern California — smoldering chemical reactions that are incinerating buried garbage, releasing toxic fumes and spewing liquid waste. Regulators found explosive levels of methane emanating from many other landfills across the state.During the three-hour Air Resources Board hearing preceding the vote, several Californians who live near Chiquita Canyon Landfill — one of the known sites where garbage is burning deep underground — implored the board to act to prevent disasters in other communities across the state.“If these rules were already updated, maybe my family wouldn’t be sick,” said Steven Howse, a 27-year resident of Val Verde. “My house wouldn’t be for sale. My close friend and neighbor would still live next door to me. And I wouldn’t be pleading with you right now. You have the power to change this.”Landfill operators, including companies and local governments, voiced their concern about the costs and labor needed to comply with the regulation. “We want to make sure that the rule is implementable for our communities, not unnecessarily burdensome,” said John Kennedy, a senior policy advocate for Rural County Representatives of California, a nonprofit organization representing 40 of the state’s 58 counties, many of which own and operate landfills. “While we support the overarching goals of the rule, we remain deeply concerned about specific measures including in the regulation.”Lauren Sanchez, who was appointed chair of the California Air Resources Board in October, recently attended the United Nations’ COP30 climate conference in Brazil with Gov. Gavin Newsom. What she learned at the summit, she said, made clear to her that California’s methane emissions have international consequences, and that the state has an imperative to reduce them. “The science is clear, acting now to reduce emissions of methane and other short-lived climate pollutants is the best way to immediately slow the pace of climate change,” Sanchez said.

Exoplanet atmospheres are a key to habitability

The habitable zone of a planet might be key to whether life can survive there. But so are exoplanet atmospheres, scientists say. The post Exoplanet atmospheres are a key to habitability first appeared on EarthSky.

Artist’s concept of exoplanet GJ 9827 d. It might be a steam world, with lots of water vapor in its atmosphere. Astronomers say exoplanet atmospheres are a key to whether or not life could survive on a planet. Image via NASA/ ESA/ Leah Hustak (STScI)/ Ralf Crawford (STScI)/ University of Montreal. Scientists focus on the habitable zone (where liquid water might exist) when they are gauging whether an exoplanet could be habitable. But exoplanet atmospheres are also key to whether a planet can maintain stable, life-supporting conditions. For life to persist on a planet, the environment must be stable. A planet’s surface, oceans and atmosphere can work together to regulate the system. By Morgan Underwood, Rice University EarthSky isn’t powered by billionaires. We’re powered by you.Support EarthSky’s 2025 Donation Campaign and help keep science accessible. Exoplanet atmospheres are a key to habitability When astronomers search for planets that could host liquid water on their surface, they start by looking at a star’s habitable zone. Water is a key ingredient for life, and on a planet too close to its star, water on its surface may boil. Too far, and it could freeze. This zone marks the region in-between. But being in this sweet spot doesn’t automatically mean a planet is hospitable to life. Other factors, like whether a planet is geologically active or has processes that regulate gases in its atmosphere, play a role. The habitable zone provides a useful guide to search for signs of life on exoplanets, or planets outside our solar system orbiting other stars. But what’s in these planets’ atmospheres holds the next clue about whether liquid water – and possibly life – exists beyond Earth. The greenhouse effect On Earth, the greenhouse effect, caused by gases like carbon dioxide and water vapor, keeps the planet warm enough for liquid water and life as we know it. Without an atmosphere, Earth’s surface temperature would average around 0 degrees Fahrenheit (-18 C), far below the freezing point of water. The boundaries of the habitable zone are defined by how much of a greenhouse effect is necessary to maintain the surface temperatures that allow for liquid water to persist. It’s a balance between sunlight and atmospheric warming. Many planetary scientists, including me, are seeking to understand if the processes responsible for regulating Earth’s climate are operating on other habitable-zone worlds. We use what we know about Earth’s geology and climate to predict how these processes might appear elsewhere. That is where my geoscience expertise comes in. Picturing the habitable zone of a solar system analog, with Venus- and Mars-like planets outside of the “just right” temperature zone. Image via NASA. Why the habitable zone? The habitable zone is a simple and powerful idea, and for good reason. It provides a starting point, directing astronomers to where they might expect to find planets with liquid water. But without needing to know every detail about the planet’s atmosphere or history. Its definition is partially informed by what scientists know about Earth’s rocky neighbors. Mars, which lies just outside the outer edge of the habitable zone, shows clear evidence of ancient rivers and lakes where liquid water once flowed. Similarly, Venus is currently too close to the sun to be within the habitable zone. Yet, some geochemical evidence and modeling studies suggest Venus may have had water in its past. Though how much and for how long remains uncertain. These examples show that while the habitable zone is not a perfect predictor of habitability, it provides a useful starting point. How to have a stable environment What the habitable zone doesn’t do is determine whether a planet can sustain habitable conditions over long periods of time. On Earth, a stable climate allowed life to emerge and persist. Liquid water could remain on the surface, giving slow chemical reactions enough time to build the molecules of life. This let early ecosystems develop resilience to change, which reinforced habitability. Life emerged on Earth, but continued to reshape the environments it evolved in, making them more conducive to life. This stability likely unfolded over hundreds of millions of years, as the planet’s surface, oceans and atmosphere worked together as part of a slow but powerful system to regulate Earth’s temperature. Recycling inorganic carbon A key part of this system is how Earth recycles inorganic carbon between the atmosphere, surface and oceans over the course of millions of years. Inorganic carbon refers to carbon bound in atmospheric gases, dissolved in seawater or locked in minerals, rather than biological material. This part of the carbon cycle acts like a natural thermostat. When volcanoes release carbon dioxide into the atmosphere, the carbon dioxide molecules trap heat and warm the planet. As temperatures rise, rain and weathering draw carbon out of the air and store it in rocks and oceans. If the planet cools, this process slows down. This allows carbon dioxide, a warming greenhouse gas, to build up in the atmosphere again. This part of the carbon cycle has helped Earth recover from past ice ages and avoid runaway warming. Even as the sun has gradually brightened, this cycle has contributed to keeping temperatures on Earth within a range where liquid water and life can persist for long spans of time. Similar cycles in exoplanet atmospheres? Now, scientists are asking whether similar geological processes might operate on other planets. And if so, how they might detect them. For example, if researchers could observe enough rocky planets in their stars’ habitable zones, they could look for a pattern connecting the amount of sunlight a planet receives and how much carbon dioxide is in its atmosphere. Finding such a pattern may hint that the same kind of carbon-cycling process could be operating elsewhere. The mix of gases in a planet’s atmosphere is shaped by what’s happening on or below its surface. One study shows that measuring atmospheric carbon dioxide in a number of rocky planets could reveal whether their surfaces are broken into a number of moving plates, like Earth’s, or if their crusts are more rigid. On Earth, these shifting plates drive volcanism and rock weathering, which are key to carbon cycling. Simulation of what space telescopes, like the Habitable Worlds Observatory, will capture when looking at distant solar systems. Image via STScI/ NASA GSFC. Keeping an eye on distant exoplanet atmospheres The next step will be toward gaining a population-level perspective of planets in their stars’ habitable zones. By analyzing atmospheric data from many rocky planets, researchers can look for trends that reveal the influence of underlying planetary processes, such as the carbon cycle. Scientists could then compare these patterns with a planet’s position in the habitable zone. Doing so would allow them to test whether the zone accurately predicts where habitable conditions are possible, or whether some planets maintain conditions suitable for liquid water beyond the zone’s edges. This kind of approach is especially important given the diversity of exoplanets. Many exoplanets fall into categories that don’t exist in our solar system. These include super Earths and mini Neptunes. Others orbit stars smaller and cooler than the sun. NASA’s Habitable Worlds Observatory The datasets needed to explore and understand this diversity are just on the horizon. NASA’s upcoming Habitable Worlds Observatory will be the first space telescope designed specifically to search for signs of habitability and life on planets orbiting other stars. It will directly image Earth-sized planets around sunlike stars to study their atmospheres in detail. Instruments on the observatory will analyze starlight passing through these atmospheres to detect gases like carbon dioxide, methane, water vapor and oxygen. As starlight filters through a planet’s atmosphere, different molecules absorb specific wavelengths of light, leaving behind a chemical fingerprint that reveals which gases are present. These compounds offer insight into the processes shaping these worlds. The Habitable Worlds Observatory is under active scientific and engineering development, with a potential launch targeted for the 2030s. Combined with today’s telescopes, which are increasingly capable of observing atmospheres of Earth-sized worlds, scientists may soon be able to determine whether the same planetary processes that regulate Earth’s climate are common throughout the galaxy, or uniquely our own. NASA’s planned Habitable Worlds Observatory will look for exoplanets that could potentially host life. Morgan Underwood, Ph.D. Candidate in Earth, Environmental and Planetary Sciences, Rice University This article is republished from The Conversation under a Creative Commons license. Read the original article. Bottom line: The habitable zone of a planet might be key to whether life can survive there. But so are exoplanet atmospheres, scientists say.The post Exoplanet atmospheres are a key to habitability first appeared on EarthSky.

Some California landfills are on fire and leaking methane. Newly proposed rules could make them safer

California is considering adopting new rules to better identify and more quickly to respond to dangerous methane leaks and underground fires at landfills statewide.

A vast canyon of buried garbage has been smoldering inside a landfill in the Santa Clarita Valley, inducing geysers of liquid waste onto the surface and noxious fumes into the air.In the Inland Empire, several fires have broken out on the surface of another landfill. In the San Fernando Valley, an elementary school has occasionally canceled recess due to toxic gases emanating from rain-soaked, rotting garbage from a nearby landfill. And, in the San Francisco Bay Area, burrowing rodents may be digging into entombed trash at a landfill-turned-park, unloosing explosive levels of methane.These are just a few of the treacherous episodes that have recently transpired at landfills in California, subjecting the state’s waste management industry to growing scrutiny by residents and regulators.Landfill emissions — produced by decaying food, paper and other organic waste — are a major source of planet-warming greenhouse gases and harmful air pollution statewide. But mismanagement, aging equipment and inadequate oversight have worsened this pollution in recent years, according to environmental regulators and policy experts.This week, the California Air Resources Board will vote on adopting a new slate of requirements to better identify and more quickly respond to methane leaks and disastrous underground fires at large landfills statewide.The proposal calls for using satellites, drones and other new technologies to more comprehensively investigate methane leaks. It also would require landfill operators to take corrective action within a few days of finding methane leaks or detecting elevated temperatures within their pollution control systems.In recent years, state regulators have pinpointed at least two landfills in Southern California experiencing “rare” underground landfill fires — largely uncontrollable disasters that have burned troves of buried garbage and released toxic fumes into the air. More recently, a new state satellite program has detected 17 methane plumes from nine landfills between July and October, potentially leaking the flammable gas into unwanted areas and contributing to climate change.Proponents of the proposed rule say the added oversight could help reduce California’s second-largest source of methane, a potent greenhouse gas that warms the atmosphere much more than carbon dioxide. It could also bring relief to hundreds of thousands of people who live nearby landfills and may be exposed to toxic pollutants like hydrogen sulfide or benzene.“Curbing methane emissions is a relatively quick and cost-effective way to reduce the greenhouse pollution that’s wreaking havoc with our climate,” said Bill Magavern, policy director at the Coalition for Clean Air. “But [we’ve] also been involved in updating and strengthening the rule because we’re seeing the community impacts of leaking landfills, particularly at places like Chiquita Canyon, where we have a landfill fire that is making people in the community sick.”Nearly 200 landfills statewide would be subject to the proposed requirements — 48 are privately owned and 140 are government-owned.Many landfill operators oppose the rule, saying the new requirements would saddle the industry with an untenable workload and millions of dollars each year in added costs. These costs could be passed on to residents, whose garbage fees have already risen significantly in recent years.Sacramento County officials, who operate the Kiefer Landfill, said the proposed protocols were not feasible. “As a public landfill, Kiefer cannot quickly adapt to regulatory shifts of this magnitude, and these increased costs would ultimately burden the community it serves,” Sacramento County officials wrote in a Nov. 10 letter to the state Air Resources Board.The vast majority of landfills are already required to monitor for leaks and operate a gas collection system — a network of wells that extend deep into the layers of buried waste to capture and destroy methane.A hot messChiquita Canyon Landfill in Castaic has become the poster child for the issues plaguing California’s waste management system.A blistering-hot chemical reaction began inside the landfill’s main canyon in May 2022, roasting garbage in a roughly 30-acre area.Starting in April 2023, residents of Castaic and nearby Val Verde began to take notice. They called in thousands of odor complaints to the South Coast Air Quality Management District, with many citing headaches, nausea, nosebleeds and difficulty breathing.Later that year, state regulators learned that the landfill’s temperatures had risen above 200 degrees, melting plastic pipes used to collect landfill gases. An air district inspector also witnessed geysers of liquid waste bursting onto the surface and white smoke venting from large cracks spreading across the reaction area.Air sampling found elevated levels of lung-aggravating sulfur pollutants and cancer-causing benzene. Air samples in 2023 detected benzene concentrations more than eight times higher than the state’s short-term health limit at Hasley Canyon Park, which abuts Live Oak Elementary School, alarming local parents.“I personally have transferred my children to different schools further away,” said Jennifer Elkins, a Val Verde resident whose children attended Live Oak. “I spend three hours a day driving my kids to and from school. The commute has been a sacrifice, but it’s also been well worth it, because I know my children are breathing cleaner air, and I have seen their health improve.”The landfill, owned by Texas-based Waste Connections, installed new heat-resistant equipment to extract liquid waste in an attempt to reduce broiling temperatures. It also installed a large covering over the affected area to suppress odors. It permanently closed and ceased accepting waste this year.Still, the reaction area has tripled in size and could consume the entire 160-acre canyon for many more years. During other underground landfill fires, elevated temperatures have persisted for more than a decade.The issue is, once these broiling temperatures start consuming landfill waste, there’s little that landfill operators can do to snuff them out.The fumes from Chiquita Canyon have pushed some longtime residents to consider moving. After more than 25 years in Val Verde, Abigail DeSesa is contemplating starting anew somewhere else.“This is our life’s investment — our forever home that we were building for retirement and on the verge of paying off,” DeSesa said. “And we may have to start over.”“I don’t know that I can outlast it,” DeSesa added.Chiquita Canyon is not alone.Earlier this year, the South Coast air district learned about another fiery chemical reaction brewing inside El Sobrante Landfill in Corona. In August, Waste Management, the landfill’s owner and operator, acknowledged there was a two-acre “area of concern” where landfill staff had observed temperatures climbing above 200 degrees. Riverside County inspectors also found several fires had ignited on the landfill’s surface in recent years, according to public records.Environmental advocates fear that many more landfills may be on the precipice of these largely unmanageable disasters.According to an analysis by California Communities Against Toxics, there are 18 landfills in California that have had prolonged heat signatures detected by NASA’s Fire Information for Resource Management System, an online tool using satellite instruments to detect fires and thermal anomalies.At least 11 of these landfills requested and received permission from either federal or local environmental regulators to continue operating with higher temperatures than currently allowed, according to public records obtained by the environmental organization.These regulatory exemptions are part of the problem, said Jane Williams, the group’s executive director.“We have 11 landfills across California that have been granted waivers by the government to basically ‘hot rod’ the landfill,” Williams said. “We would really like EPA and state agencies to stop granting landfill waivers. It’s a permission slip to speed in a school zone.”Under newly proposed revisions to state rules, operators must be more transparent in disclosing the temperatures in their gas collection systems. If operators detect elevated temperatures, they must take action to minimize the amount of oxygen in the landfill.While these rule changes might be coming too late to fix the issues near Chiquita Canyon, locals hope it will help others who live in the orbit of the nearly 200 other large landfills in California that could be subject to these rules.“While there’s still a fight here to try to address the concerns at Chiquita Canyon Landfill, we know that there’s an opportunity to really prevent this kind of disaster from happening anywhere else in our state,” said Assemblymember Pilar Schiavo.Dangerous leaksMeanwhile, many other landfills are releasing unsafe amounts of methane, an odorless gas produced by bacteria that break down organic waste.These emissions present two critical issues.First, methane is a powerful greenhouse gas — capable of warming the atmosphere 80 times more than the same amount of carbon dioxide over 20 years. Following California’s large dairy and livestock operations, landfills emit the second-most methane statewide.Second, methane is the primary constituent in natural gas. It can ignite or explode at certain concentrations, presenting a serious safety risk in the event of uncontrolled releases. Several times over the last few years, regulators have detected potentially explosive concentrations in the air and shallow soil near several landfills.Under current landfill regulations, operators are required to monitor for excessive methane leaks four times a year. Many operators hire contractors to walk across accessible portions of the landfill with a handheld leak-monitoring device, an approach that some environmental advocates say is unreliable.In addition, some areas of the landfill are not screened for methane leaks if operators consider them to be unsafe to walk across, due to, for example, steep hills or ongoing construction activities.“Landfills have to monitor surface emissions, but they do that in a very inefficient way, using outdated technology,” Magavern said.Starting this past summer, California has partnered with the nonprofit organization Carbon Mapper to use satellites to detect methane leaks, and already has found 17 coming from landfills. In one case, researchers saw a large methane plume appear to emanate from Newby Island Landfill in San José and drift into a nearby residential neighborhood.Although the state has notified these landfill operators, it currently cannot require them to repair leaks detected via satellite. That would change under the proposed amendments to the state’s landfill regulations. Operators would also have to use state-approved technology to routinely scan portions of their landfills they deem inaccessible.The proposed amendments seek to prevent the most common causes of methane emissions. A series of surveys of landfill operators found 43% of leaks in recent years were caused by one or more of a facility’s gas collection wells being offline at the time.The new rules would require that such wells can only be offline for up to five days at a time for repairs. Operators would also be required to install gas collection systems within six months of when garbage is first placed in a new part of a landfill — rather than the 18-month time frame currently allowed.In addition, landfills would be forced to take actions to fix a leak within three days of detection, rather than 10 days. In theory, that should help reduce the risk of leaks from things like cracks in landfill covers (typically a layer of soil or plastic covering) and damaged components of gas collection systems — two other major sources of leaks that landfill operators have reported.The amended landfill rules could collectively cost private companies and local governments $12 million annually.Some say that’s well worth the cost.A contingent of residents who live near Chiquita Canyon Landfill are flying to Sacramento to attend the state Air Resources Board meeting. They are expected to testify on how the fire and landfill emissions have unraveled the fabric of the semi-rural community.Elkins, the Val Verde resident, appreciated the area’s natural beauty — picturesque hillsides, wildlife and opportunities for stargazing without bright city lights. However, now her family hardly spends any time outdoors due to the noxious odors.Some of her neighbors have moved away, but Elkins and many other longtime locals cannot, no matter how they fear for their health and safety. “The homes are not selling,” she said. “Other homes sit vacant, and community members are paying two mortgages just to get away. And for many of us, it would be financial suicide to move away and start over somewhere new.”

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