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Some Academics Get Funding for Propping Up the Livestock Industry

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Wednesday, March 13, 2024

This story was originally published by Inside Climate News and is reproduced here as part of the Climate Desk collaboration. When researchers at the United Nations published a bombshell report in 2006 called “Livestock’s Long Shadow,” the livestock industry soon realized it had a major public relations challenge on its hands. Media outlets around the world covered the report and its main findings: Livestock are a major source of greenhouse gas emissions that need to be reined in, and cutting emissions from the industry should become a focus of public policy, on par with cutting emissions from fossil fuels. It was the first time such a high-level report had come to this conclusion. In the following 17 years, the report has been scrutinized by researchers, attacked from every angle, and referenced again and again, held up as a clarion call for worldwide veganism on one side, and on the other, a symbol of the climate-hysterical global nanny state bent on stealing everyone’s cheeseburgers.  But as the public has been whipsawed over its findings, new research says it has become increasingly clear why. Since the publication of the UN report, the livestock industry has worked strategically to unravel or downplay the report’s findings, and the findings of subsequent research that has reached similar or related conclusions. “Similar to fossil fuel companies, US animal agriculture companies responded to evidence that their products cause climate change by minimizing their role in the climate crisis and shaping policymaking in their favor.”  A new study, published late last month in the journal Climatic Change, tracks the industry’s response to the report after it was published and in the ensuing years, charting how livestock, dairy, and grain companies, along with the agriculture lobby, have spent billions courting a crucial and influential voice—the academic specialist. “Similar to fossil fuel companies, US animal agriculture companies responded to evidence that their products cause climate change by minimizing their role in the climate crisis and shaping policymaking in their favor,” the authors, Viveca Morris of Yale Law School and Jennifer Jacquet of the University of Miami write. “Here we show that the industry has done so with the help of university experts.” The industry’s efforts, the authors argue, have helped these experts and their universities influence public opinion and craft policy in such a way that agriculture and emissions from agriculture in the US remain largely unregulated, despite their significant impact—and despite subsequent years of research demonstrating the impact of animal agriculture on the climate. They also argue that, while livestock industry funding has supported research before, funding universities’ research is uniquely influential and problematic. At the time of the livestock report’s publication, nearly two decades ago, its message was brand new. None of the major UN climate reports had addressed livestock’s greenhouse gas emissions, and research on the climate impacts was scarce. The world had barely grasped that burning fossil fuels was altering the climate. But in the US, home to some of the world’s biggest meat and dairy companies, the industry developed a strategy as scrutiny on their stock-in-trade intensified. In 2009, three years after the publication of “Livestock’s Long Shadow,” the Beef Checkoff program, a promotional program run by the beef industry, gave $26,000 to Frank Mitloehner, then a specialist in the animal science department at the University of California, Davis, to look into the UN report, the study said. That was the beginning of a relationship that continues to this day and has funneled millions of dollars to Mitloehner, his proteges and their universities, Morris and Jacquet write. This, they say, has helped protect the industry from regulation and reputational damage. Mitloehner and his co-authors, Maurice Pitesky and Kimberly Stackhouse, later in 2009, issued a rebuttal of sorts in a paper published in the journal Advances in Agronomy called “Clearing the Air: Livestock’s Contribution to Climate Change.” The paper said the greenhouse gas figure the U.N. report attributed to livestock—18 percent of total global emissions—was actually significantly smaller in the US. Livestock in the US, they argued, only generated about 3 percent of the country’s total greenhouse gas emissions. They also noted that the 18 percent figure, which the UN report claimed was higher than emissions from the entire transportation sector, was overstated because the UN analysis included the entire life cycle of livestock emissions, but not of transportation.   Using new models, and after pressure from the global livestock industry, including US companies, a later UN report lowered the livestock emissions figure to 14.5 percent of total global emissions. In “Clearing the Air” the authors stressed that livestock production was projected to grow in the developing world “where food security becomes imperative,” using a frequently repeated refrain that argues people will go hungry without adequate livestock production. The paper did not acknowledge the US beef industry’s support for the research, as is customary. A press release about the report from UC Davis, titled “Don’t Blame Cows for Climate Change,” did acknowledge the industry funding.   On that point, Mitloehner said in an interview with Inside Climate News, “There’s nothing hush-hush about this. You can’t make something more publicly known than in a press release.” “Clearing the Air,” in turn, got a barrage of media coverage that effectively said Mitloehner and his colleagues’ work had disproven that livestock was a major contributor to greenhouse gases. The meat industry’s largest lobbying group, the North American Meat Institute, launched a “Media Myth Crusher” brief, claiming that the 18 percent figure was “widely challenged by scientists.” Morris and Jacquet say the report was the beginning of an ongoing relationship between the livestock industry, Mitloehner and Stackhouse (now Stackhouse-Lawson), then his student and now a professor at Colorado State University. Mitloehner,  Jacquet says, is “not a climate expert—the industry makes him into one.” In the following years, they write, the livestock industry gave millions to Mitloehner and later to Stackhouse as they launched research centers at their respective universities. In 2018 Mitloehner founded the Clarity and Leadership for Environmental Awareness (CLEAR) Center at UC Davis to bring “clarity to the relationship of animal agriculture, the environment and our daily lives.” Over the next two years, CSU launched AgNext, to promote the livestock industry’s sustainability efforts, hiring Stackhouse-Lawson as its director. At the time, Stackhouse-Lawson was the chief sustainability officer of JBS USA, the US arm of JBS, the world’s biggest meat company. JBS USA maintains one of the country’s largest cattle feedlots in Greeley, Colorado, and has had a long relationship with CSU, which is in nearby Fort Collins. In 2017, JBS and CSU launched a partnership with a $12.5 million grant from the company. CSU and UC Davis provided written statements, rather than interviews with deans of the relevant departments. “It is common for industry and government to fund programs, equipment, and even research; however, university research is independent and objective—funding sources have no influence on AgNext research outcomes,” Stackhouse-Lawson said in a prepared statement. James Nash, a spokesman for UC Davis, sent the following statement: “UC Davis faculty adhere to the highest levels of integrity and ethical conduct. We stand by Professor Mitloehner’s research and support his efforts to work with the agricultural sector to reduce its climate and environmental footprint. The university has rigorous policies in place to enforce high ethical standards in our relationships with research partners.” By analyzing company records with disclosures, Mitloehner’s CV, press releases, research papers, and tax documents, the authors cross-checked Mitloehner’s financial reporting. His CV says he has received nearly $5.5 million in industry funding, representing about 46 percent of his total $12 million of funding reported from 2002 to 2021.  The study notes that some of Mitloehner’s testimony, papers, and CV don’t disclose some of the funding he received. His CV shows he received $4 million from Elanco Animal Health, but subsequent papers, from 2012 to 2023, did not acknowledge that funding. His CV also omits funding he has received from the National Cattlemen’s Beef Association, the cattle industry’s biggest lobbying group. Mitloehner is also listed as a director of Distributors Processing, Inc., a privately held feed additive company. Mitloehner, in particular, became a regular speaker at industry conferences, regularly cited in the media, and increasingly popular on X (formerly Twitter) with the handle @GHGGuru—short for greenhouse gas guru. His work was cited as the livestock industry opposed a bill in Congress to require mandatory reporting under the Environmental Protection Agency’s Greenhouse Gas Reporting Program. He became a policy advisor to the Obama White House, and wrote a white paper that persuaded the administration to drop environmental and sustainability considerations from the influential U.S. Dietary Guidelines. He testified in 2019 before the Senate Agriculture Committee, saying the industry’s greenhouse gas impact “pales in comparison to other sectors.” His testimony was later repeated in industry publications.  After “Livestock’s Long Shadow” was published, Mitloehner became chairman of the Livestock Environmental Assessment and Performance Partnership (LEAP) at the UN, which was formed after discussions among industry players and with $72,000 in support from the American Feed Industry Association’s nonprofit wing, known as IFEEDER. More recently he has advocated for a new accounting method to measure the warming impact of methane, an especially potent greenhouse gas, from cows, the largest source of methane in the US. This method has gained significant traction in industry publications but is debated by climate scientists. Jacquet, a professor of environmental science and policy at the University of Miami whose research has focused on lobbying and financial influence, says she first became interested in Mitloehner when he attacked Alexandria Ocasio-Cortez’s Green New Deal, which included a proposal to tax emissions from cattle. After Mitloehner met with Ocasio-Cortez’s team, the proposal was dropped. “That was the moment, for me, when I was like, ‘Wow, this guy’s having an impact’ and that he must be valuable to the industry,” Jacquet said. Morris, the lead author on the Climatic Change study and the executive director of the Law, Ethics & Animals Program at Yale Law School, and Jacquet point to similarities between tobacco and fossil fuel industry strategies, particularly the fossil fuel industry’s positioning of people as experts, when they may not have expertise in a given subject. Mitloehner, they point out, is not a climate scientist.   Mitloehner has a master’s in animal science and agricultural engineering and a Ph.D. in animal science and was recruited by UC Davis in 2002 to focus on livestock and air quality. In an interview with Inside Climate News, Jacquet likened Mitloehner to Willie Soon, the Harvard-Smithsonian scientist who described his research as “deliverables” for the fossil fuel industry. “The industry can create experts,” Jacquet said, adding that Mitloehner is “not a climate expert—the industry makes him into one.” Mitloehner is getting accustomed to the critiques of his financial ties but is particularly incensed with the Climatic Change study, questioning how it passed a rigorous peer review process, and said it doesn’t address the substance of his work. “There’s nothing fishy about me working with animal agriculture. In fact, it’s my charge—it’s in my job description.” He noted, in an interview, that it’s in his job description to work with the industry to help it lower emissions.  “There’s nothing fishy about me working with animal agriculture. In fact, it’s my charge—it’s in my job description,” he said. “I’m known for being an expert in how to quantify and mitigate emissions.” Mitloehner noted that he has authored 130 publications and that the “validity of those publications isn’t challenged in the recent study.” He said that, while he may not be a climatologist, he is a specialist in animal agriculture’s impact on air quality. “I work on greenhouse gas emissions, and more importantly, on quantifying those from animal agriculture,” he said. “If you work on reducing emissions from animal agriculture, your stakeholders are people in animal agriculture. The technologies and approaches that we use are provided by companies that come from animal agriculture. Those are the companies that provide the technologies to reduce emissions.” Mitloehner explained that about 70 percent of the university-based agricultural research comes from private industry. “In my case, it’s about half,” he said, referring to the $5.5 million. “There’s nothing unusual about that.” He noted that farmers across Europe are taking to the streets because they feel their governments are foisting climate-related measures on them that they believe will cost them money. Mitloehner says he has their ear and they trust him. “I’m one of the few people who can explain to them how to do these things,” he said. “They’re saying I’m too close to agriculture. That, to me, is very counterproductive.”

This story was originally published by Inside Climate News and is reproduced here as part of the Climate Desk collaboration. When researchers at the United Nations published a bombshell report in 2006 called “Livestock’s Long Shadow,” the livestock industry soon realized it had a major public relations challenge on its hands. Media outlets around the world covered the report and its […]

This story was originally published by Inside Climate News and is reproduced here as part of the Climate Desk collaboration.

When researchers at the United Nations published a bombshell report in 2006 called “Livestock’s Long Shadow,” the livestock industry soon realized it had a major public relations challenge on its hands.

Media outlets around the world covered the report and its main findings: Livestock are a major source of greenhouse gas emissions that need to be reined in, and cutting emissions from the industry should become a focus of public policy, on par with cutting emissions from fossil fuels. It was the first time such a high-level report had come to this conclusion.

In the following 17 years, the report has been scrutinized by researchers, attacked from every angle, and referenced again and again, held up as a clarion call for worldwide veganism on one side, and on the other, a symbol of the climate-hysterical global nanny state bent on stealing everyone’s cheeseburgers. 

But as the public has been whipsawed over its findings, new research says it has become increasingly clear why. Since the publication of the UN report, the livestock industry has worked strategically to unravel or downplay the report’s findings, and the findings of subsequent research that has reached similar or related conclusions.

new study, published late last month in the journal Climatic Change, tracks the industry’s response to the report after it was published and in the ensuing years, charting how livestock, dairy, and grain companies, along with the agriculture lobby, have spent billions courting a crucial and influential voice—the academic specialist.

“Similar to fossil fuel companies, US animal agriculture companies responded to evidence that their products cause climate change by minimizing their role in the climate crisis and shaping policymaking in their favor,” the authors, Viveca Morris of Yale Law School and Jennifer Jacquet of the University of Miami write. “Here we show that the industry has done so with the help of university experts.”

The industry’s efforts, the authors argue, have helped these experts and their universities influence public opinion and craft policy in such a way that agriculture and emissions from agriculture in the US remain largely unregulated, despite their significant impact—and despite subsequent years of research demonstrating the impact of animal agriculture on the climate. They also argue that, while livestock industry funding has supported research before, funding universities’ research is uniquely influential and problematic.

At the time of the livestock report’s publication, nearly two decades ago, its message was brand new. None of the major UN climate reports had addressed livestock’s greenhouse gas emissions, and research on the climate impacts was scarce. The world had barely grasped that burning fossil fuels was altering the climate.

But in the US, home to some of the world’s biggest meat and dairy companies, the industry developed a strategy as scrutiny on their stock-in-trade intensified.

In 2009, three years after the publication of “Livestock’s Long Shadow,” the Beef Checkoff program, a promotional program run by the beef industry, gave $26,000 to Frank Mitloehner, then a specialist in the animal science department at the University of California, Davis, to look into the UN report, the study said.

That was the beginning of a relationship that continues to this day and has funneled millions of dollars to Mitloehner, his proteges and their universities, Morris and Jacquet write. This, they say, has helped protect the industry from regulation and reputational damage.

Mitloehner and his co-authors, Maurice Pitesky and Kimberly Stackhouse, later in 2009, issued a rebuttal of sorts in a paper published in the journal Advances in Agronomy called “Clearing the Air: Livestock’s Contribution to Climate Change.” The paper said the greenhouse gas figure the U.N. report attributed to livestock—18 percent of total global emissions—was actually significantly smaller in the US. Livestock in the US, they argued, only generated about 3 percent of the country’s total greenhouse gas emissions. They also noted that the 18 percent figure, which the UN report claimed was higher than emissions from the entire transportation sector, was overstated because the UN analysis included the entire life cycle of livestock emissions, but not of transportation.  

Using new models, and after pressure from the global livestock industry, including US companies, a later UN report lowered the livestock emissions figure to 14.5 percent of total global emissions.

In “Clearing the Air” the authors stressed that livestock production was projected to grow in the developing world “where food security becomes imperative,” using a frequently repeated refrain that argues people will go hungry without adequate livestock production. The paper did not acknowledge the US beef industry’s support for the research, as is customary. A press release about the report from UC Davis, titled “Don’t Blame Cows for Climate Change,” did acknowledge the industry funding.  

On that point, Mitloehner said in an interview with Inside Climate News, “There’s nothing hush-hush about this. You can’t make something more publicly known than in a press release.”

“Clearing the Air,” in turn, got a barrage of media coverage that effectively said Mitloehner and his colleagues’ work had disproven that livestock was a major contributor to greenhouse gases. The meat industry’s largest lobbying group, the North American Meat Institute, launched a “Media Myth Crusher” brief, claiming that the 18 percent figure was “widely challenged by scientists.”

Morris and Jacquet say the report was the beginning of an ongoing relationship between the livestock industry, Mitloehner and Stackhouse (now Stackhouse-Lawson), then his student and now a professor at Colorado State University.

In the following years, they write, the livestock industry gave millions to Mitloehner and later to Stackhouse as they launched research centers at their respective universities. In 2018 Mitloehner founded the Clarity and Leadership for Environmental Awareness (CLEAR) Center at UC Davis to bring “clarity to the relationship of animal agriculture, the environment and our daily lives.” Over the next two years, CSU launched AgNext, to promote the livestock industry’s sustainability efforts, hiring Stackhouse-Lawson as its director.

At the time, Stackhouse-Lawson was the chief sustainability officer of JBS USA, the US arm of JBS, the world’s biggest meat company. JBS USA maintains one of the country’s largest cattle feedlots in Greeley, Colorado, and has had a long relationship with CSU, which is in nearby Fort Collins. In 2017, JBS and CSU launched a partnership with a $12.5 million grant from the company.

CSU and UC Davis provided written statements, rather than interviews with deans of the relevant departments.

“It is common for industry and government to fund programs, equipment, and even research; however, university research is independent and objective—funding sources have no influence on AgNext research outcomes,” Stackhouse-Lawson said in a prepared statement.

James Nash, a spokesman for UC Davis, sent the following statement: “UC Davis faculty adhere to the highest levels of integrity and ethical conduct. We stand by Professor Mitloehner’s research and support his efforts to work with the agricultural sector to reduce its climate and environmental footprint. The university has rigorous policies in place to enforce high ethical standards in our relationships with research partners.”

By analyzing company records with disclosures, Mitloehner’s CV, press releases, research papers, and tax documents, the authors cross-checked Mitloehner’s financial reporting. His CV says he has received nearly $5.5 million in industry funding, representing about 46 percent of his total $12 million of funding reported from 2002 to 2021. 

The study notes that some of Mitloehner’s testimony, papers, and CV don’t disclose some of the funding he received. His CV shows he received $4 million from Elanco Animal Health, but subsequent papers, from 2012 to 2023, did not acknowledge that funding.

His CV also omits funding he has received from the National Cattlemen’s Beef Association, the cattle industry’s biggest lobbying group. Mitloehner is also listed as a director of Distributors Processing, Inc., a privately held feed additive company.

Mitloehner, in particular, became a regular speaker at industry conferences, regularly cited in the media, and increasingly popular on X (formerly Twitter) with the handle @GHGGuru—short for greenhouse gas guru. His work was cited as the livestock industry opposed a bill in Congress to require mandatory reporting under the Environmental Protection Agency’s Greenhouse Gas Reporting Program. He became a policy advisor to the Obama White House, and wrote a white paper that persuaded the administration to drop environmental and sustainability considerations from the influential U.S. Dietary Guidelines. He testified in 2019 before the Senate Agriculture Committee, saying the industry’s greenhouse gas impact “pales in comparison to other sectors.” His testimony was later repeated in industry publications. 

After “Livestock’s Long Shadow” was published, Mitloehner became chairman of the Livestock Environmental Assessment and Performance Partnership (LEAP) at the UN, which was formed after discussions among industry players and with $72,000 in support from the American Feed Industry Association’s nonprofit wing, known as IFEEDER.

More recently he has advocated for a new accounting method to measure the warming impact of methane, an especially potent greenhouse gas, from cows, the largest source of methane in the US. This method has gained significant traction in industry publications but is debated by climate scientists.

Jacquet, a professor of environmental science and policy at the University of Miami whose research has focused on lobbying and financial influence, says she first became interested in Mitloehner when he attacked Alexandria Ocasio-Cortez’s Green New Deal, which included a proposal to tax emissions from cattle. After Mitloehner met with Ocasio-Cortez’s team, the proposal was dropped.

“That was the moment, for me, when I was like, ‘Wow, this guy’s having an impact’ and that he must be valuable to the industry,” Jacquet said.

Morris, the lead author on the Climatic Change study and the executive director of the Law, Ethics & Animals Program at Yale Law School, and Jacquet point to similarities between tobacco and fossil fuel industry strategies, particularly the fossil fuel industry’s positioning of people as experts, when they may not have expertise in a given subject. Mitloehner, they point out, is not a climate scientist.  

Mitloehner has a master’s in animal science and agricultural engineering and a Ph.D. in animal science and was recruited by UC Davis in 2002 to focus on livestock and air quality.

In an interview with Inside Climate News, Jacquet likened Mitloehner to Willie Soon, the Harvard-Smithsonian scientist who described his research as “deliverables” for the fossil fuel industry.

“The industry can create experts,” Jacquet said, adding that Mitloehner is “not a climate expert—the industry makes him into one.”

Mitloehner is getting accustomed to the critiques of his financial ties but is particularly incensed with the Climatic Change study, questioning how it passed a rigorous peer review process, and said it doesn’t address the substance of his work.

He noted, in an interview, that it’s in his job description to work with the industry to help it lower emissions. 

“There’s nothing fishy about me working with animal agriculture. In fact, it’s my charge—it’s in my job description,” he said. “I’m known for being an expert in how to quantify and mitigate emissions.”

Mitloehner noted that he has authored 130 publications and that the “validity of those publications isn’t challenged in the recent study.”

He said that, while he may not be a climatologist, he is a specialist in animal agriculture’s impact on air quality.

“I work on greenhouse gas emissions, and more importantly, on quantifying those from animal agriculture,” he said. “If you work on reducing emissions from animal agriculture, your stakeholders are people in animal agriculture. The technologies and approaches that we use are provided by companies that come from animal agriculture. Those are the companies that provide the technologies to reduce emissions.”

Mitloehner explained that about 70 percent of the university-based agricultural research comes from private industry. “In my case, it’s about half,” he said, referring to the $5.5 million. “There’s nothing unusual about that.”

He noted that farmers across Europe are taking to the streets because they feel their governments are foisting climate-related measures on them that they believe will cost them money. Mitloehner says he has their ear and they trust him.

“I’m one of the few people who can explain to them how to do these things,” he said. “They’re saying I’m too close to agriculture. That, to me, is very counterproductive.”

Read the full story here.
Photos courtesy of

Fast Fashion Affects Climate, Exploits Workers and Creates Enormous Textile Waste

Fast fashion may seem cheap, but it’s taking a costly toll on the planet—and on millions of young people

November 26, 20244 min readFast Fashion Affects Climate, Exploits Workers and Creates Enormous Textile WasteFast fashion may seem cheap, but it’s taking a costly toll on the planet—and on millions of young peopleBy Paula M. Carbone & The Conversation USGeorgi Fadejev/Getty ImagesThe following essay is reprinted with permission from The Conversation, an online publication covering the latest research.Fast fashion is everywhere – in just about every mall, in the feeds of influencers on social media promoting overconsumption, and in ads constantly popping up online.Fast fashion's focus on the continual production of new clothing is marked by speedy cycles that give the concept its name. Fast fashion is intended to quickly copy high-end designs, but with low-quality materials, resulting in poorly made clothing intended to be worn once or twice before being thrown away.On supporting science journalismIf you're enjoying this article, consider supporting our award-winning journalism by subscribing. By purchasing a subscription you are helping to ensure the future of impactful stories about the discoveries and ideas shaping our world today.One of fast fashion’s leading companies, Zara, has a mission to put clothes in stores 15 days after the initial design. Another, Shein, adds up to 2,000 new items to its website daily.While others in the fashion industry are working toward more sustainable clothing, fast fashion is focused on profit. The market’s value was estimated at about US$100 billion in 2022 and growing quickly. It’s a large part of the reason global clothing production doubled from 2000 to 2014.The big winners in this game are the corporations. The industry has a reputation for exploiting workers and for excessive pollution and extraordinary waste. Consumers are pulled into an unhealthy, spiraling pressure to buy more as cheap clothes fall apart fast.Fast fashion also has a growing impact on the global climate. It is responsible for an estimated 8% to 10% of global greenhouse gas emissions, and its emissions are projected to grow quickly as the industry expands.I teach courses that explore fast fashion and sustainability. The industry’s growth seems unstoppable – but a combination of legislation and willpower might just rein it in.Understanding the harmAbout 60 percent of fast-fashion items are made from synthetic textiles derived from plastics and chemicals that start their life as fossil fuels. When this synthetic clothing is laundered or thrown in landfills to decompose, it can release microplastics into the environment. Microplastics contain chemicals including phthalates and bisphenol A that can affect the health of humans and animals.Natural fibers have their own impacts on the environment. Growing cotton requires large quantities of water, and pesticides can run off from farmlands into streams, rivers and bays. Water is also used in chemically treating and dyeing textiles. A 2005 United Nations-led report on cotton’s water use estimated that, on average, a single cotton T-shirt requires about 700 gallons (2,650 liters) of water from crop to clothing rack, with about 300 gallons (1,135 liters) of that water used for irrigation.The chemicals used to process textiles for clothing for the fashion industry also contaminate wastewater with heavy metals, such as cadmium and lead, and toxic dyes. And that wastewater ends up in waterways in many countries, affecting the environment and wildlife.Fast fashion’s high output also creates literally mountains of waste. More than 90 million tons of textile waste ends up in landfills globally each year, by one estimate, adding to greenhouse gases as it slowly decomposes. Only a small percentage of discarded clothing is recycled.From fashionista to environmental guardianIn many cultures, people’s self-perception is intimately connected to fashion choices, reflecting culture and alliances.The allure of buying new items comes from many sources. Influencers on social media play into FOMO– the fear of missing out. Cheap items can also lead to impulse buys.Research shows that shopping can also create a euphoric sense of happiness. However, fast fashion’s speed and marketing can also train consumers into “psychological obsolescence,” causing them to dislike purchases they previously enjoyed, so they quickly replace them with new purchases.Famous personalities may be helping to push back on this trend. Social media explodes when a first ladyor Kate Middleton, the Princess of Wales, wears an outfit more than once. The movement #30wearschallenge is starting with small steps, by urging consumers to plan to wear every piece of clothing they buy at least 30 times.Upcycling – turning old clothing into new clothing items – and buying sustainable and high-quality clothes that can last for years is being promoted by the United Nations and other organizations, including alliances in the fashion industry.Some influencers are also promoting more sustainable fashion brands. Research has shown that peer influence can be a powerful driver for making more sustainable choices. The largest market for fast fashion is Gen Z, ages 12 to 27, many of whom are also concerned about climate change and might reconsider their fast-fashion buys if they recognized the connections between fast fashion and environmental harm.Some governments are also taking steps to reduce waste from fashion and other consumer products. The European Union is developing requirements for clothing to last longer and prohibiting companies from throwing out unsold textiles and footwear. France has pending legislation that, if passed, would ban publicity for fast-fashion companies and their products, require them to post the environmental impact of their products, and levy fines for violations.Changes in consumer habits, new technologies and legislation can each help reduce demand for unsustainable fashion. The cost of cheap clothes worn a few times also adds up. Next time you buy clothing, think about the long-term value to you and the planet.This article was originally published on The Conversation. Read the original article.

Solar superstorm in 664 BCE recorded in tree rings

Scientists have narrowed down the date of a solar superstorm that occurred some 2,600 years ago to 664 BCE, based on a spike in carbon-14 in ancient tree rings. The post Solar superstorm in 664 BCE recorded in tree rings first appeared on EarthSky.

NASA’s Solar Dynamics Observatory (SDO) captured this image of a giant solar prominence on August 31, 2012. Although large and dramatic, it did not come close to having the power of a solar superstorm. Image via NASA/ SDO/ AIA/ Goddard Space Flight Center. Scientists narrowed down the date of a solar superstorm that occurred more than 2,600 years ago to 664 BCE, based on a spike in carbon-14 in ancient tree rings. The carbon-14 spike was found in ancient wood, including wood from an Iron Age child’s burial chamber in Russia. This event was one of six solar superstorms that have occurred in the past 14,500 years, said the scientists. The 2025 EarthSky lunar calendar makes a great gift. Get yours today! Solar superstorm date confirmed in tree rings About 2,600 years ago, ancient Assyrians witnessed a fiery red glow across the night sky. And they recorded this significant event on a stone tablet. We now know they saw bright auroras caused by a powerful solar storm. On November 20, 2024, scientists said they believe they’ve found evidence of this event in tree rings. Furthermore, they’ve pinpointed that it happened in 664 BCE, 2,688 years ago. The researchers published their discovery in the peer-reviewed journal Communications Earth & Environment on August 23, 2024. If a storm of that magnitude were to occur today, it would have a serious impact on our power and communications infrastructures. But it probably would not be catastrophic. Power grids and communications systems are growing increasingly resilient in weathering solar storms. To learn more, catch up with this informative interview with David Wallace, a professor of electrical engineering at Mississippi State University. A closeup of tree rings, with the ring corresponding to 664 BCE labeled in the image. This wood came from a larch log at an archaeological site. It was part of a child’s burial chamber. Image via Irina Panyushkina. Used with permission. Carbon-14 in tree rings reveal an extreme solar event Irina Panyushkina at the University of Arizona led the team studying tree rings in ancient logs. In particular, they were measuring the amount of carbon-14 in the tree rings. They discovered a much higher concentration of carbon-14 in rings that were formed in 664 BCE. This type of carbon-14 signature, in other studies, has been associated with solar superstorms. What is carbon-14? It’s a type of radioactive carbon that forms continually in the atmosphere. Cosmic ray particles interact with nitrogen in the upper atmosphere to create carbon-14. Eventually, carbon-14 combines with oxygen to form carbon dioxide. Over a few months, that carbon dioxide containing carbon-14 makes its way to the lower atmosphere. There, trees take it up and store it in wood tissue. During a solar superstorm, the sun releases enormous amounts of particles. These particles strike the Earth’s atmosphere, creating a much higher amount of carbon-14 than usual. As a result, trees alive during such an event absorb and store that additional carbon-14 in that year’s tree rings. How often do solar superstorms occur? Scientists have identified six solar superstorms – known as Miyake events – that have happened in the past 14,500 years. They occurred in 7176 BCE, 5410 BCE, 5259 BCE, around 660 BCE, 774 CE and 993 CE. For all Miyake events, high carbon-14 spikes were found in tree rings of ancient wood corresponding to those dates. Also, scientists have found corroborating evidence in ancient ice core samples from Greenland and Antarctica. (Higher levels of beryllium-10 and chlorine-36, found in the ice, were a result of interactions between particles from the sun during the storm and the Earth’s atmosphere.) However, there was uncertainty about the 660 BCE event. Scientists had known, from previous tree ring data and ice core studies, that a superstorm occurred around that time, but they did not know exactly when it happened. This new study narrowed the date to 664 BCE. When will the next solar superstorm occur? Panyushkina said: Tree rings give us an idea of the magnitude of these massive storms, but we can’t detect any type of pattern, so it is unlikely we’ll ever be able to predict when such an event is going to happen. Still, we believe our paper will transform how we search and understand the carbon-14 spike signal of extreme solar proton events in tree rings. The energy from this type of event not only changes the atmosphere’s radiocarbon content but also the atmosphere’s chemistry. We are trying to figure out how those short-lived and powerful events affect the Earth system as a whole. The wood that revealed the 664 BCE solar superstorm The researchers used dead trees that lived a long time ago to study ancient tree rings. One of the wood samples came from a well-preserved tree from a riverbank at the Polar Urals, a mountain range in Russia. Another was an archaeological timber from an ancient larch tree. Panyushkina told EarthSky more about it: The archaeological wood is from a small child’s [burial] chamber made of larch logs from the highlands of the Altai Mountains. It belongs to the Pazyryk culture, associated with the Siberian Scythians. I worked on an archaeological project to date these burials, known as kurgans, in 2003. Local archaeologists from Novosibirsk [in Russia] excavated the cemetery, and I collected wood samples from the kurgans for dendrochronology and dating. Researchers took a wood sample from this child’s burial chamber, made from larch logs. It was part of a kurgan, a type of burial mound associated with the Pazyryk culture of the Iron Age. Image via Irina Panyushkina. Used with permission. A cross-section of one of the logs from the burial chamber, showing the larch tree rings. Image via Irina Panyushkina. Used with permission. Using tree rings to study past climate and to date events Dendrochronology is the study of tree rings to date events and changes in the environment. In temperate climates, where the seasons change, trees usually form annual rings. The size and density of each ring is determined by environmental conditions during that year. As a result, tree rings provide valuable insight into past climate in a particular region. Tree rings can also be used for dating events. To do that, scientists build a long chronological timeline of ring patterns for a region, starting from living trees to progressively older dead trees. To date a tree ring sample, they compare the sample’s pattern to the reference chronological timeline, looking for a match. That match allows them to identify a date for their wood sample. Bottom line: Scientists have narrowed down the date of a solar superstorm that occurred over 2,600 years ago to 664 BCE, based on a spike in carbon-14 in ancient tree rings. Source: The timing of the ca-660 BCE Miyake solar-proton event constrained to between 664 and 663 BCE Via University of Arizona Read more: Biggest solar superstorm yet, glimpsed in ancient tree ringsThe post Solar superstorm in 664 BCE recorded in tree rings first appeared on EarthSky.

Bored of Turkey? Here’s Some High-End, Lab-Grown Foie Gras.

This story was originally published by Wired and is reproduced here as part of the Climate Desk collaboration. At an upscale sushi bar in New York last week, a smattering of media and policy types chowed down on a menu of sushi rolls, Peking duck tapas, and mushroom salad. But what made this menu unusual was the one ingredient that […]

This story was originally published by Wired and is reproduced here as part of the Climate Desk collaboration. At an upscale sushi bar in New York last week, a smattering of media and policy types chowed down on a menu of sushi rolls, Peking duck tapas, and mushroom salad. But what made this menu unusual was the one ingredient that ran through the dishes—foie gras made from quail cells brewed in a bioreactor. The event, catered by the sushi chef Masa Takayama, was a launch party for Australian cultivated meat firm Vow, which will sell its foie gras at a handful of restaurants in Singapore and Hong Kong. The meal was decadent—one course featured a mountain of black truffle—but that was mostly the point. Vow and its CEO, George Peppou, are angling cultivated meat as a luxury product—an unusual positioning for an industry where many founders are motivated by animal welfare and going toe-to-toe with mass-produced meat. But while growing meat in the lab still remains eye-wateringly expensive, Peppou is trying to turn the technology’s Achilles’ heel into his advantage. “I feel like the obituary has already been written for our industry,” he says. “But just because Californians can’t do something doesn’t mean something can’t be done.” It’s for venues that want “to use ingredients to distinguish themselves,” or “that have removed foie gras from their menus due to cruelty.” That something is making cultivated meat while turning a profit. The big challenge facing the industry—along with the bans and the lack of venture capital cash—is that it costs a lot to grow animal cells in bioreactors. Reliable figures are hard to come by, but one research paper with data provided by companies in 2021 put the cost of cultivated meat between $68 and $10,000 per pound, depending on production methods. A lot of startups say they have drastically cut production costs since their early experiments, but prices are still way higher than factory farmed chicken at around $2.67 per pound. The two best-funded startups in the space—Eat Just and Upside Foods—have both brought out cultivated chicken products. But Peppou, who leans into his reputation in the industry as something of a provocateur, says that approach doesn’t make sense. “Making chicken was always a terrible idea,” he says. The fundamentals of cultivated meat are pricey. The business of growing animal cells outside of their bodies is usually the domain of medical researchers and pharmaceutical companies. Animal cells grown in culture are used to make vaccines and medicines, which are sold in tiny volumes for sky-high prices. The cultivated meat industry needs some of the same ingredients to grow the cells it wants to sell as meat, but unlike the pharma industry, it needs to grow huge volumes of cells and sell them at grocery store prices. The major cost right now is what’s called cell media—the broth of liquid, nutrients, amino acids, and growth factors fed to cells while they’re growing. The off-the-shelf standard cell media for growing stem cells is called Essential 8, and it costs upwards of $400 per liter. That’s fine if you’re a scientist growing a few cells in a petri dish, but growing a single kilogram of cultivated meat might require 10 of liters of media, quickly sending costs sky-rocketing. Cultivated meat companies need to find cheaper sources for their ingredients and buy them in bulk in order to drive their costs down. “Ultimately the industry needs to prove that it can scale,” says Elliot Swartz, principal scientist for cultivated meat at the Good Food Institute, a nonprofit focused on advancing alternative proteins. Just a few crucial ingredients in cell media are a major factor pushing up costs for cultivated meat companies, most of which are still operating at a tiny scale, producing kilograms of meat per production cycle rather than the tons they are aiming for. “My biggest concern is always the scalability and the ability to industrialize something,” says Ido Savir, CEO of Israeli cultivated meat company SuperMeat. His company has just released a report estimating that—if produced at scale—it could grow chicken meat at $11.80 per pound, close to the price for pasture-raised chicken in the US. But this assumes production in bioreactors up to 25,000 liters—several orders of magnitude higher than the 10-liter scale the company is currently working at. “We’re improving every month,” he says. Savir is aiming at a much lower price point than Peppou, and hopes to partner with food manufacturers who might license his technology to add cultivated meat into their mix of options. “We’re more interested in the mass market,” he says. Dutch company Meatable has indicated it wants to follow a similar approach—licensing its technology to the handful of firms that already produce much of the US’s meat. Other cultivated meat companies want to sell to consumers under their own brands, but are still targeting the mass meat industry. Peppou is skewing decidedly in the opposite direction. He declines to name a price, but says his foie gras is at the “higher end” of the market—somewhere in the region of hundreds of dollars per pound. The foie gras is 51 percent Japanese quail cells—which also make up the parfait that Vow has sold in Singapore since April—plus a plant-based fat mix and corn husk flavorings. “It’s either for a venue that wants to use ingredients to distinguish themselves,” says Peppou, or it’s for “large hotels or caterers that have removed foie gras from their menus due to cruelty.” Conventional foie gras is made by force-feeding ducks or geese until their livers swell with fatty deposits. Production is banned in the United Kingdom, Germany, Italy, and California among other places. Another cultivated meat company, France-based Gourmey, also makes foie gras, although its product is not currently on sale anywhere. “If you look at a lot of deep technology companies, it’s kind of a game of just not dying.” Vow’s quail parfait is on the menu at around six restaurants in Singapore, including being sold as a $15 (USD) bar snack and as part of a $185 tasting menu. In Peppou’s telling, going high-end is a way to spin cultivated meat’s high costs and low production volumes as a luxury proposition. “I believe the biggest challenge we have is how to shape consumer sentiment around this category. And the most efficient way to do that in my mind is to be in the most influential places with the relatively limited volume we have available.” SuperMeat’s Savir says that luxury cultivated meat products “have a place,” but that he is more interested in the mass market where he can complement the current production of meat. That will mean continuing to drive production costs down. One option is to mix cultivated meat with much cheaper plant-based ingredients. Savir says that they’re aiming at products that are around 30 percent cultivated meat cells and 70 percent plant-based ingredients. Several other firms are taking a similar strategy. In Singapore, Eat Just sells cultivated chicken strips that are only 3 percent chicken cells. The industry is also hoping that customers will pay premium prices because of the potential environmental benefits of making meat outside of animal bodies. Savir says he has spoken with a “very big” pizza company that says replacing just 5 to 10 percent of its chicken toppings with cultivated chicken would make a substantial dent in its carbon footprint. Even replacing a fraction of a percent of the $50 billion broiler chicken industry in the US would require a monumental scaling-up of cultivated meat production. “If you’re competing against chicken, which is the lowest-cost meat product, then you either have to go to very large scales or create hybrid products that have lower inclusion rates,” says Swartz of the Good Food Institute. But with investor dollars in short supply, companies are having to get creative about how they plan to get products into the world and achieve many founders’ ultimate goal of displacing at least some conventional meat production. Even though he’s targeting the luxury market, Peppou says he still isn’t turning a profit on his cultured quail parfait or foie gras, although his margin is much better than it would be if he were competing with factory-farmed chicken. “If you look at a lot of deep technology companies, it’s kind of a game of just not dying,” he says. “And it’s figuring out ways to not die long enough to get good enough to win in a market which probably doesn’t exist yet.” That means the route ahead for Vow might not look totally different from other cultivated meat companies. “The volumes are going to be low, it’s mostly going to be in restaurants. They’re going to be iterating on these products over time before they get any sort of mass market entry point,” says Swartz. “In the short term, what I’m looking forward to is getting more people that are trying this for the first time, not trying it because they’re excited about cultivated meat, but generally because they’re interested.”

Is there enough land on Earth to fight climate change and feed the world?

Study shows how smart policies could address competing land-use needs.

Capping global warming at 1.5 degrees Celsius is a tall order. Achieving that goal will not only require a massive reduction in greenhouse gas emissions from human activities, but also a substantial reallocation of land to support that effort and sustain the biosphere, including humans. More land will be needed to accommodate a growing demand for bioenergy and nature-based carbon sequestration while ensuring sufficient acreage for food production and ecological sustainability.The expanding role of land in a 1.5 C world will be twofold — to remove carbon dioxide from the atmosphere and to produce clean energy. Land-based carbon dioxide removal strategies include bioenergy with carbon capture and storage; direct air capture; and afforestation/reforestation and other nature-based solutions. Land-based clean energy production includes wind and solar farms and sustainable bioenergy cropland. Any decision to allocate more land for climate mitigation must also address competing needs for long-term food security and ecosystem health.Land-based climate mitigation choices vary in terms of costs — amount of land required, implications for food security, impact on biodiversity and other ecosystem services — and benefits — potential for sequestering greenhouse gases and producing clean energy.Now a study in the journal Frontiers in Environmental Science provides the most comprehensive analysis to date of competing land-use and technology options to limit global warming to 1.5 C. Led by researchers at the MIT Center for Sustainability Science and Strategy (CS3), the study applies the MIT Integrated Global System Modeling (IGSM) framework to evaluate costs and benefits of different land-based climate mitigation options in Sky2050, a 1.5 C climate-stabilization scenario developed by Shell.Under this scenario, demand for bioenergy and natural carbon sinks increase along with the need for sustainable farming and food production. To determine if there’s enough land to meet all these growing demands, the research team uses the global hectare (gha) — an area of 10,000 square meters, or 2.471 acres — as the standard unit of measurement, and current estimates of the Earth’s total habitable land area (about 10 gha) and land area used for food production and bioenergy (5 gha).The team finds that with transformative changes in policy, land management practices, and consumption patterns, global land is sufficient to provide a sustainable supply of food and ecosystem services throughout this century while also reducing greenhouse gas emissions in alignment with the 1.5 C goal. These transformative changes include policies to protect natural ecosystems; stop deforestation and accelerate reforestation and afforestation; promote advances in sustainable agriculture technology and practice; reduce agricultural and food waste; and incentivize consumers to purchase sustainably produced goods.If such changes are implemented, 2.5–3.5 gha of land would be used for NBS practices to sequester 3–6 gigatonnes (Gt) of CO2 per year, and 0.4–0.6 gha of land would be allocated for energy production — 0.2–0.3 gha for bioenergy and 0.2–0.35 gha for wind and solar power generation.“Our scenario shows that there is enough land to support a 1.5 degree C future as long as effective policies at national and global levels are in place,” says CS3 Principal Research Scientist Angelo Gurgel, the study’s lead author. “These policies must not only promote efficient use of land for food, energy, and nature, but also be supported by long-term commitments from government and industry decision-makers.”

Carnival Corp’s Fleet Emits More CO2 Than Scotland’s Biggest City

This story was originally published by the Guardian and is reproduced here as part of the Climate Desk collaboration. The world’s largest cruise line company is responsible for producing more carbon dioxide in Europe than the city of Glasgow, a report has found. An analysis by the Transport and Environment (T&E) campaign group, provided to the Guardian, found Carnival to be […]

This story was originally published by the Guardian and is reproduced here as part of the Climate Desk collaboration. The world’s largest cruise line company is responsible for producing more carbon dioxide in Europe than the city of Glasgow, a report has found. An analysis by the Transport and Environment (T&E) campaign group, provided to the Guardian, found Carnival to be the most climate-polluting cruise company sailing in Europe in 2023. The data covered all Europe-bound cruise ships last year, including 53 that belonged to Carnival. The second most climate-polluting cruise company in Europe was MSC, followed by Norwegian Cruise Line, the group found. Carbon emissions for Carnival’s Europe-bound ships totalled 2.6 million metric tons of CO2 last year. The latest emissions figures for the city of Glasgow, from 2021, with a population of 620,700, were 2.43 million metric tons, according to the city council. MSC emitted 1.4 million and Norwegian 0.84 million. Analysts from T&E used official data on carbon emissions supplied by vessels sailing in the European Economic Area, as required by EU law. “Scrubbers allow ships to convert their air pollution into toxic water pollution, and they can use bunker fuel which is dirty and cheap.” “The larger companies have more vessels and bigger ships,” said Jacob Armstrong, shipping policy manager at T&E. “But bigger isn’t better when it comes to emissions.” Cruising is one of tourism’s fastest-growing sectors. The number of cruise vessels has grown significantly, from 21 in the 1970s to 515 today, and T&E research shows the world’s biggest cruise ships have doubled in size since 2000. Carnival Corporation plc, a Miami-based British and US company, made $2 billion profit in 2023, after losses of $4.4 billion and $7.1 billion in 2022 and 2021, during the Covid pandemic. In 2023, 12.5 million passengers travelled on its 92 ships. In a separate ranking of environmental harm by cruise companies in 2024, by Friends of the Earth (FoE) US, Carnival and its subsidiaries also emerged lowest among 21 cruise lines. An annual “cruise ship report card” awarded five of Carnival’s nine lines—Costa Cruises, P&O Cruises, Carnival Cruise Line, Cunard, and Seabourn—the grade of F overall. Four factors taken into account were air pollution reduction, sewage treatment, water quality and transparency. Marcie Keever, ocean and vessels programme director at FoE, said Carnival’s continued use of “scrubbers” in its fleet, which, while approved by the International Maritime Organization, allows the use of dirtier fuel and causes water pollution. “Scrubbers allow ships to convert their air pollution into toxic water pollution, and they can use bunker fuel which is dirty and cheap,” she said. This factor, along with a lack of transparency, and not all ships being equipped for shore power, resulted in the F grade, the lowest ranking. FoE awarded expedition cruise lines Hurtigruten and Hurtigruten Expeditions a B+, the highest score, while Disney Cruise line got a B. Hurtigruten vessels plug into shore power instead of running their engines, thus reducing air pollution at shore power-enabled ports. Neither Hurtigruten nor Disney use scrubbers on vessels, and all three were awarded A for transparency. “There are more cruise companies getting higher grades than in previous years, so we are seeing some progress,” Keever said. A Carnival Corp and plc spokesperson said: “We’ve invested hundreds of millions of dollars in environmental technologies and solutions, which together with our other decisive climate actions are yielding strong results.”Carnival’s 2023 total greenhouse gas emissions were 9.7 million metric tons, compared with 10.9 million in 2011. The spokesperson said it was on track to cut its emissions per passenger-equivalent by 40 percent by 2026, compared with 2008 levels. An MSC cruise spokesperson said improving the environmental performance of its fleet was of “crucial” importance. “We have already made significant progress, and our ships are 40 percent more efficient than they were 10 years ago.” A spokesperson for Norwegian Cruise Line Holdings said: “We are proud of the progress we are making towards our goal of reducing greenhouse gas intensity per capacity day by 10 percent by 2026 and 25 percent by 2030, using a 2019 baseline.”

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