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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.
Photos courtesy of

Researchers Solve Decades-Old Color Mystery in Iconic Jackson Pollock Painting

Scientists have identified the origins of the blue color in one of Jackson Pollock’s paintings with a little help from chemistry

NEW YORK (AP) — Scientists have identified the origins of the blue color in one of Jackson Pollock's paintings with a little help from chemistry, confirming for the first time that the abstract expressionist used a vibrant, synthetic pigment known as manganese blue. “Number 1A, 1948,” showcases Pollock's classic style: paint has been dripped and splattered across the canvas, creating a vivid, multicolored work. Pollock even gave the piece a personal touch, adding his handprints near the top. The painting, currently on display at the Museum of Modern Art in New York, is almost 9 feet (2.7 meters) wide. Scientists had previously characterized the reds and yellows splattered across the canvas, but the source of the rich turquoise blue proved elusive.In a new study, researchers took scrapings of the blue paint and used lasers to scatter light and measure how the paint's molecules vibrated. That gave them a unique chemical fingerprint for the color, which they pinpointed as manganese blue. The analysis, published Monday in the journal Proceedings of the National Academy of Sciences, is the first confirmed evidence of Pollock using this specific blue.“It’s really interesting to understand where some striking color comes from on a molecular level,” said study co-author Edward Solomon with Stanford University.The pigment manganese blue was once used by artists, as well as to color the cement for swimming pools. It was phased out by the 1990s because of environmental concerns.Previous research had suggested that the turquoise from the painting could indeed be this color, but the new study confirms it using samples from the canvas, said Rutgers University’s Gene Hall, who has studied Pollock’s paintings and was not involved with the discovery.“I’m pretty convinced that it could be manganese blue,” Hall said.The researchers also went one step further, inspecting the pigment’s chemical structure to understand how it produces such a vibrant shade.Scientists study the chemical makeup of art supplies to conserve old paintings and catch counterfeits. They can take more specific samples from Pollock's paintings since he often poured directly onto the canvas instead of mixing paints on a palette beforehand. To solve this artistic mystery, researchers explored the paint using various scientific tools — similarly to how Pollock would alternate his own methods, dripping paint using a stick or using it straight from the can.While the artist’s work may seem chaotic, Pollock rejected that interpretation. He saw his work as methodical, said study co-author Abed Haddad, an assistant conservation scientist at the Museum of Modern Art.“I actually see a lot of similarities between the way that we worked and the way that Jackson Pollock worked on the painting," Haddad said.The Associated Press Health and Science Department receives support from the Howard Hughes Medical Institute’s Department of Science Education and the Robert Wood Johnson Foundation. The AP is solely responsible for all content.Copyright 2025 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.Photos You Should See – Sept. 2025

California Votes To Ban PFAS ‘Forever Chemicals’ in Cookware, Other Items

By I. Edwards HealthDay ReporterMONDAY, Sept. 15, 2025 (HealthDay News) — Every time you reach for a nonstick pan, you could be using chemicals...

MONDAY, Sept. 15, 2025 (HealthDay News) — Every time you reach for a nonstick pan, you could be using chemicals that are now on the chopping block in the state of California.Lawmakers have approved a bill to phase out PFAS — also called “forever chemicals” — in cookware, cleaning products, dental floss, ski wax, food packaging and certain children’s items.The proposal, Senate Bill 682, passed in a 41-19 vote and quickly cleared the state Senate. It now heads to Gov. Gavin Newsom, who has until Oct. 12 to sign it into law, CBS News reported.PFAS (per- and polyfluoroalkyl substances) have been widely used for decades, because they resist heat and water stains. But the chemicals build up in the body and environment and have been linked to cancers, liver and kidney damage and reproductive problems."Exposure to PFAS poses a significant threat to the environment and public health," the bill says.If signed, the law will roll out in stages: cookware must comply by 2030; cleaning products by 2031; and all other covered items by 2028.The plan has drawn sharp debate. Some chefs, including Rachael Ray, Thomas Keller and David Chang, argue that banning nonstick cookware made with PTFE (a type of PFAS better known as Teflon) could make cooking harder and more expensive for families, CBS News reported. “PTFEs, when manufactured and used responsibly, are proven to be safe and effective,” Ray, who sells a line of cookware bearing her name, wrote in a letter to lawmakers.But environmental groups, including the Natural Resources Defense Council, say nonstick pans can release PFAS particles when scratched or overheated. Actor Mark Ruffalo also urged support for the bill. "Independent science shows that the PFAS in cookware can wind up in our food," he wrote on X.State Sen. Ben Allen proposed the legislation.“PFAS pose a level of serious risks that require us to take a measured approach to reduce their proliferation and unnecessary use,” he said.California has already banned PFAS in items like carpets, firefighting foam and cosmetics. If signed into law, SB 682 would make California one of the first states to phase out PFAS in cookware.The U.S. Environmental Protection Agency has more on PFAS.SOURCES: CBS News, Sept. 13, 2025; California Legislative Information, Sept. 9, 2025Copyright © 2025 HealthDay. All rights reserved.

The Trump Team Wants to Boost Birth Rates While Poisoning Children

“I want a baby boom,” Trump has said. His administration is indeed exploring a range of approaches to boost the birth rate, including baby bonuses and classes on natural fertility. Yet his focus is entirely on the production of babies. When it comes to keeping these babies alive, this administration is leaving parents on their own, facing some horrifying and unprecedented challenges. It’s common for right-wing American governments, whether at the state or federal level, to be only half-heartedly natalist: restricting abortion, birth control, and sex education, while also failing to embrace any policy that makes it easier to raise a family, like universal childcare, robust public education, school lunch, cash supports for parents, or paid family leave. But the Trump-Vance government has taken this paradox to a new level, with natalist rhetoric far surpassing that of other recent administrations, while real live children are treated with more depraved, life-threatening indifference than in any American government in at least a century. Due to brutal cuts at the Food and Drug Administration, where 20,000 employees have been fired, the administration has suspended one of its quality-control programs for milk, Reuters reported this week. Milk is iconically associated with child health, and this is not a mere storybook whimsy: Most pediatricians regard it as critical for young children’s developing brains and bones. The American Academy of Pediatrics recommends two cups a day for babies between 1 and 2 years old. While some experts—and of course the administration—are downplaying the change, emphasizing that milk will still be regulated, a bird flu epidemic hardly seems like the right time to be cutting corners. A government so focused on making more babies shouldn’t be so indifferent to risks to our nation’s toddlers.This reckless approach to child safety is not limited to food. Also this week, The New York Times reported that the Environmental Protection Agency was canceling tens of millions of dollars in grants for research on environmental hazards to children in rural America. These hazards include pesticides, wildfire smoke, and forever chemicals, and the grants supported research toward solutions to such problems. Many focused on improving child health in red states like Oklahoma. Children are much more vulnerable than adults to the health problems that can stem from exposure to toxins. That makes Trump’s policies, for all his baby-friendly chatter, seem pathologically misopedic; he is reversing bans on so-called “forever chemicals” and repealing limits set by the Biden administration on lead exposure, all of which will have devastating effects on children’s mental and physical development.And of course there’s RFK Jr.’s crazy campaign against vaccines. This week, the health secretary said he was considering removing the Covid-19 vaccine from the list of vaccines the government recommends for children, even though to win Senate confirmation, he had agreed not to alter the childhood vaccine schedule. Even worse, RFK Jr. has used his office to promote disinformation about extensively debunked links between vaccines and autism, while praising unproven “treatments” for measles as an outbreak that has afflicted more than 600 people and killed at least three continues to spread. Trump’s public health cuts are meanwhile imperiling a program that gives free vaccines to children. So far, I haven’t even mentioned children outside the United States. Trump has not only continued Biden’s policy of mass infanticide in Gaza—at least 100 children there have been killed or injured every week by Israeli forces since the dissolution of the ceasefire in March—he has vastly surpassed that shameful record by dismantling USAID. (The Supreme Court demanded that the government restore some of the funding to the already-contracted programs, but it’s unclear what the results of that ruling will be.) Children across the globe will starve to death due to this policy. The cuts to nutrition funding alone, researchers estimate, will kill some 369,000 children who could otherwise have lived. That’s not even counting all the other children’s lives imperiled by USAID funding cuts to vaccines, health services, and maternal care, or the children who will go unprotected now that Trump has cut 69 programs dedicated to tracking child labor, forced labor, and human trafficking.Natalist or exterminationist? Pro-child or rabidly infanticidal? It’s tempting to dismiss such extreme contradictions within the Trump administration as merely chaotic and incoherent. But the situation is worse than that. Trying to boost births while actively making the world less safe for children is creepy—but not in a new way. The contradiction is baked into the eugenicist tradition that Vance and Trump openly embrace. Vance said at an anti-abortion rally in January that he wanted “more babies in the United States of America.” Vance also said he wanted “more beautiful young men and women” to have children. Notice he doesn’t just say “more babies”: the qualifiers are significant. Vance was implying that he wanted the right people to have babies: American, white, able-bodied, “beautiful” people with robust genetics. Children dying because of USAID cuts aren’t part of this vision, presumably, because those children are not American or white. As for infected milk, environmental toxins, or measles—here too, it’s hard not to hear social Darwinist overtones: In a far-right eugenicist worldview, children killed by those things likely aren’t fit for survival. In a more chaotic and dangerous environment, this extremely outdated logic goes, natural selection will ensure that the strongest survive. It’s also worth noting that this way of thinking originates in—and many of these Trump administration policies aim to return us to—an earlier era, when people of all ages, but especially children, were simply poisoned by industrial pollution, unvaccinated for diseases, and unprotected from industrial accidents. In such an unsafe world for children, people had many more of them; the world was such a dangerous place to raise kids that families expected to lose a few. That all-too-recent period is the unspoken context for natalist and eugenicist visions. That’s the world Trump and Vance seem to be nostalgic for, one in which women were constantly pregnant and in labor, and children were constantly dying horrible deaths. Doesn’t that sound pleasant for everyone?

“I want a baby boom,” Trump has said. His administration is indeed exploring a range of approaches to boost the birth rate, including baby bonuses and classes on natural fertility. Yet his focus is entirely on the production of babies. When it comes to keeping these babies alive, this administration is leaving parents on their own, facing some horrifying and unprecedented challenges. It’s common for right-wing American governments, whether at the state or federal level, to be only half-heartedly natalist: restricting abortion, birth control, and sex education, while also failing to embrace any policy that makes it easier to raise a family, like universal childcare, robust public education, school lunch, cash supports for parents, or paid family leave. But the Trump-Vance government has taken this paradox to a new level, with natalist rhetoric far surpassing that of other recent administrations, while real live children are treated with more depraved, life-threatening indifference than in any American government in at least a century. Due to brutal cuts at the Food and Drug Administration, where 20,000 employees have been fired, the administration has suspended one of its quality-control programs for milk, Reuters reported this week. Milk is iconically associated with child health, and this is not a mere storybook whimsy: Most pediatricians regard it as critical for young children’s developing brains and bones. The American Academy of Pediatrics recommends two cups a day for babies between 1 and 2 years old. While some experts—and of course the administration—are downplaying the change, emphasizing that milk will still be regulated, a bird flu epidemic hardly seems like the right time to be cutting corners. A government so focused on making more babies shouldn’t be so indifferent to risks to our nation’s toddlers.This reckless approach to child safety is not limited to food. Also this week, The New York Times reported that the Environmental Protection Agency was canceling tens of millions of dollars in grants for research on environmental hazards to children in rural America. These hazards include pesticides, wildfire smoke, and forever chemicals, and the grants supported research toward solutions to such problems. Many focused on improving child health in red states like Oklahoma. Children are much more vulnerable than adults to the health problems that can stem from exposure to toxins. That makes Trump’s policies, for all his baby-friendly chatter, seem pathologically misopedic; he is reversing bans on so-called “forever chemicals” and repealing limits set by the Biden administration on lead exposure, all of which will have devastating effects on children’s mental and physical development.And of course there’s RFK Jr.’s crazy campaign against vaccines. This week, the health secretary said he was considering removing the Covid-19 vaccine from the list of vaccines the government recommends for children, even though to win Senate confirmation, he had agreed not to alter the childhood vaccine schedule. Even worse, RFK Jr. has used his office to promote disinformation about extensively debunked links between vaccines and autism, while praising unproven “treatments” for measles as an outbreak that has afflicted more than 600 people and killed at least three continues to spread. Trump’s public health cuts are meanwhile imperiling a program that gives free vaccines to children. So far, I haven’t even mentioned children outside the United States. Trump has not only continued Biden’s policy of mass infanticide in Gaza—at least 100 children there have been killed or injured every week by Israeli forces since the dissolution of the ceasefire in March—he has vastly surpassed that shameful record by dismantling USAID. (The Supreme Court demanded that the government restore some of the funding to the already-contracted programs, but it’s unclear what the results of that ruling will be.) Children across the globe will starve to death due to this policy. The cuts to nutrition funding alone, researchers estimate, will kill some 369,000 children who could otherwise have lived. That’s not even counting all the other children’s lives imperiled by USAID funding cuts to vaccines, health services, and maternal care, or the children who will go unprotected now that Trump has cut 69 programs dedicated to tracking child labor, forced labor, and human trafficking.Natalist or exterminationist? Pro-child or rabidly infanticidal? It’s tempting to dismiss such extreme contradictions within the Trump administration as merely chaotic and incoherent. But the situation is worse than that. Trying to boost births while actively making the world less safe for children is creepy—but not in a new way. The contradiction is baked into the eugenicist tradition that Vance and Trump openly embrace. Vance said at an anti-abortion rally in January that he wanted “more babies in the United States of America.” Vance also said he wanted “more beautiful young men and women” to have children. Notice he doesn’t just say “more babies”: the qualifiers are significant. Vance was implying that he wanted the right people to have babies: American, white, able-bodied, “beautiful” people with robust genetics. Children dying because of USAID cuts aren’t part of this vision, presumably, because those children are not American or white. As for infected milk, environmental toxins, or measles—here too, it’s hard not to hear social Darwinist overtones: In a far-right eugenicist worldview, children killed by those things likely aren’t fit for survival. In a more chaotic and dangerous environment, this extremely outdated logic goes, natural selection will ensure that the strongest survive. It’s also worth noting that this way of thinking originates in—and many of these Trump administration policies aim to return us to—an earlier era, when people of all ages, but especially children, were simply poisoned by industrial pollution, unvaccinated for diseases, and unprotected from industrial accidents. In such an unsafe world for children, people had many more of them; the world was such a dangerous place to raise kids that families expected to lose a few. That all-too-recent period is the unspoken context for natalist and eugenicist visions. That’s the world Trump and Vance seem to be nostalgic for, one in which women were constantly pregnant and in labor, and children were constantly dying horrible deaths. Doesn’t that sound pleasant for everyone?

The greater Pittsburgh region is among the 25 worst metro areas in the country for air quality: Report

PITTSBURGH — The greater Pittsburgh metropolitan area is among the 25 regions in the country with the worst air pollution, according to a new report from the American Lung Association.The nonprofit public health organization’s annual “State of the Air” report uses a report card-style grading system to compare air quality in regions across the U.S. This year’s report found that 46% of Americans — 156.1 million people — are living in places that get failing grades for unhealthy levels of ozone or particulate pollution. Overall, air pollution measured by the report was worse than in previous years, with more Americans living in places with unhealthy air than in the previous 10 years the report has been published.The 13-county region spanning Pittsburgh and southwestern Pennsylvania; Weirton, West Virginia; and Steubenville, Ohio received “fail” grades for both daily and annual average particulate matter exposure for the years 2021–2023.The region ranked 16th worst for 24-hour particle pollution out of 225 metropolitan areas and 12th worst for annual particle pollution out of 208 metropolitan areas. Particulate matter pollution, which comes from things like industrial emissions, vehicle exhaust, wildfires, and wood burning, causes higher rates of asthma, decreased lung function in children, and increased hospital admissions and premature death due to heart attacks and respiratory illness. Long-term exposure to particulate matter pollution also raises the risk of lung cancer, and research suggests that in the Pittsburgh region, air pollution linked to particulate matter and other harmful substances contributes significantly to cancer rates. According to the report, the Pittsburgh metro area is home to around 50,022 children with pediatric asthma, 227,806 adults with asthma, 173,588 people with Chronic Obstructive Pulmonary Disease (COPD), 250,600 people with cardiovascular disease, 1,468 people with lung cancer, and around 25,746 pregnant people, all of whom are especially vulnerable to the harmful impacts of particulate matter pollution exposure."The findings help community members understand the ongoing risks to the health of people in our region," said Matt Mehalik, executive director of the Breathe Project and the Breathe Collaborative, a coalition of more than 30 groups in southwestern Pennsylvania that advocate for cleaner air. "These findings emphasize the need to transition away from fossil fuels — in industry, transportation and residential uses — if we are to improve our health and address climate change." Allegheny County has received a failing grade for particulate matter pollution from the American Lung Association every year since the "State of the Air" report was first issued in 2004. The region is home to numerous polluting industries, with an estimated 80% of toxic air pollutants in Allegheny County (which encompasses Pittsburgh) coming from ten industrial sites, according to an analysis by the nonprofit environmental advocacy group PennEnvironment Research & Policy Center. The Ohio River near Pittsburgh Credit: Kristina Marusic for EHN In the 2024 State of the Air report, which looked at 2020-2022, Pittsburgh was for the first time ever not among the 25 cities most polluted by particulate matte, and showed some improvements in air quality, some of which may have resulted from pollution reductions spurred by the COVID-19 shut-down in 2020.The region earned a grade D for ozone smog this year, but its ranking improved from last year — it went from the 50th worst metro area for ozone smog in 2024’s report to the 90th worst in this year’s. Ozone pollution also comes from sources like vehicle exhaust and industrial emissions, and occurs when certain chemicals mix with sunlight. Exposure to ozone pollution is linked to respiratory issues, worsened asthma symptoms, and long-term lung damage.Each year the State of the Air Report makes recommendations for improving air quality. This year those recommendations include defending funding for the U.S. Environmental Protection Agency (EPA), because sweeping staff cuts and reduction of federal funding under the Trump administration are impairing the agency’s ability to enforce clean air regulations. For example, the report notes that EPA recently lowered annual limits for fine particulate matter pollution from 12 micrograms per cubic meter to 9 micrograms per cubic meter, and that states, including Pennsylvania, have submitted their recommendations for which areas should be cleaned up. Next, the agency must review those recommendations and add its own analyses to make final decisions by February 6, 2026 about which areas need additional pollution controls. If it fails to do so due to lack of funding or staffing, the report suggests, air quality might suffer.“The bottom line is this,” the report states. “EPA staff, working in communities across the country, are doing crucial work to keep your air clean. Staff cuts are already impacting people’s health across the country. Further cuts mean more dirty air.”

PITTSBURGH — The greater Pittsburgh metropolitan area is among the 25 regions in the country with the worst air pollution, according to a new report from the American Lung Association.The nonprofit public health organization’s annual “State of the Air” report uses a report card-style grading system to compare air quality in regions across the U.S. This year’s report found that 46% of Americans — 156.1 million people — are living in places that get failing grades for unhealthy levels of ozone or particulate pollution. Overall, air pollution measured by the report was worse than in previous years, with more Americans living in places with unhealthy air than in the previous 10 years the report has been published.The 13-county region spanning Pittsburgh and southwestern Pennsylvania; Weirton, West Virginia; and Steubenville, Ohio received “fail” grades for both daily and annual average particulate matter exposure for the years 2021–2023.The region ranked 16th worst for 24-hour particle pollution out of 225 metropolitan areas and 12th worst for annual particle pollution out of 208 metropolitan areas. Particulate matter pollution, which comes from things like industrial emissions, vehicle exhaust, wildfires, and wood burning, causes higher rates of asthma, decreased lung function in children, and increased hospital admissions and premature death due to heart attacks and respiratory illness. Long-term exposure to particulate matter pollution also raises the risk of lung cancer, and research suggests that in the Pittsburgh region, air pollution linked to particulate matter and other harmful substances contributes significantly to cancer rates. According to the report, the Pittsburgh metro area is home to around 50,022 children with pediatric asthma, 227,806 adults with asthma, 173,588 people with Chronic Obstructive Pulmonary Disease (COPD), 250,600 people with cardiovascular disease, 1,468 people with lung cancer, and around 25,746 pregnant people, all of whom are especially vulnerable to the harmful impacts of particulate matter pollution exposure."The findings help community members understand the ongoing risks to the health of people in our region," said Matt Mehalik, executive director of the Breathe Project and the Breathe Collaborative, a coalition of more than 30 groups in southwestern Pennsylvania that advocate for cleaner air. "These findings emphasize the need to transition away from fossil fuels — in industry, transportation and residential uses — if we are to improve our health and address climate change." Allegheny County has received a failing grade for particulate matter pollution from the American Lung Association every year since the "State of the Air" report was first issued in 2004. The region is home to numerous polluting industries, with an estimated 80% of toxic air pollutants in Allegheny County (which encompasses Pittsburgh) coming from ten industrial sites, according to an analysis by the nonprofit environmental advocacy group PennEnvironment Research & Policy Center. The Ohio River near Pittsburgh Credit: Kristina Marusic for EHN In the 2024 State of the Air report, which looked at 2020-2022, Pittsburgh was for the first time ever not among the 25 cities most polluted by particulate matte, and showed some improvements in air quality, some of which may have resulted from pollution reductions spurred by the COVID-19 shut-down in 2020.The region earned a grade D for ozone smog this year, but its ranking improved from last year — it went from the 50th worst metro area for ozone smog in 2024’s report to the 90th worst in this year’s. Ozone pollution also comes from sources like vehicle exhaust and industrial emissions, and occurs when certain chemicals mix with sunlight. Exposure to ozone pollution is linked to respiratory issues, worsened asthma symptoms, and long-term lung damage.Each year the State of the Air Report makes recommendations for improving air quality. This year those recommendations include defending funding for the U.S. Environmental Protection Agency (EPA), because sweeping staff cuts and reduction of federal funding under the Trump administration are impairing the agency’s ability to enforce clean air regulations. For example, the report notes that EPA recently lowered annual limits for fine particulate matter pollution from 12 micrograms per cubic meter to 9 micrograms per cubic meter, and that states, including Pennsylvania, have submitted their recommendations for which areas should be cleaned up. Next, the agency must review those recommendations and add its own analyses to make final decisions by February 6, 2026 about which areas need additional pollution controls. If it fails to do so due to lack of funding or staffing, the report suggests, air quality might suffer.“The bottom line is this,” the report states. “EPA staff, working in communities across the country, are doing crucial work to keep your air clean. Staff cuts are already impacting people’s health across the country. Further cuts mean more dirty air.”

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