Toxic Chemicals News Stories
Below are key excerpts of revealing news articles on the toxic chemicals that we're exposed to in our food, household products, environment, and more. If any link fails to function, a paywall blocks full access, or the article is no longer available, try these digital tools.
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The White House invokes the Defense Production Act to guarantee supplies of elemental phosphorus and glyphosate-based herbicides. Regulators reapprove dicamba, a Bayer herbicide twice blocked by federal courts, and clear the way for new pesticides containing toxic, persistent PFAS “forever” chemicals. And the U.S. Justice Department urges the U.S. Supreme Court to erase billions of dollars of Bayer’s liability for its glyphosate-based Roundup weed killer – placing the weight of the executive branch on the side of a foreign company against thousands of Americans who say Bayer’s products caused their cancers. Over the past year, the administration under President Donald J. Trump has delivered a string of victories to Bayer, the German agrichemical and pharmaceutical giant that merged with Monsanto in 2018 to become the world’s leading manufacturer of genetically modified seeds and pesticides. These favors to Bayer clash with Trump’s promise to “Make America Healthy Again,” which many supporters understood as a pledge to confront industries linked to chronic disease. Our review of Bayer’s access in Washington found 22 key administration officials with ties to Bayer’s lobbying or legal network. Bayer and its lobbyists have access to people in power at the White House, U.S. Department of Agriculture, the Environmental Protection Agency and even those in high level positions closest to Trump.
Note: In addition to increasing cancer risk by 41%, glyphosate is linked to severe depression and cognitive decline. Our latest Substack, "The Pesticide Crisis Reveals The Dark Side of Science. We Have The Solutions to Regenerate," uncovers the scope of Monsanto's media propaganda machine and the widespread conspiracy to poison our food, air, and along with the powerful remedies and solutions to this crisis. For more along these lines, read our concise summaries of news articles on government corruption and toxic chemicals.
The Trump administration yesterday handed Bayer another win, urging the Supreme Court in a new brief to side with the German pesticide company in a high-stakes legal case that could wipe out thousands of cancer lawsuits and potentially billions of dollars in liability tied to glyphosate-based Roundup weed killer. Three out of nine U.S. officials who signed the brief previously worked for law firms that have represented Bayer, raising questions about whether the Trump administration is providing special favors and benefits to Bayer and siding with a foreign corporation against Americans with cancer. In the new filing, the Justice Department and Environmental Protection Agency urged the Court to rule in Bayer’s favor on the central legal issue: whether federal approval of a pesticide label under federal law preempts state failure-to-warn claims. If the Court accepts that argument, individuals would be barred from suing Bayer under state law for failing to warn that Roundup may cause cancer. The salvo for Bayer is the latest in a series of favorable actions the Trump administration has provided to Bayer. On February 18, the White House invoked the Defense Production Act to guarantee supplies of glyphosate-based herbicides and elemental phosphorus, a raw element used in production of fertilizers, pesticides, herbicides, and a wide range of industrial and military chemicals. Our Bayer lobby tracker provides information about ... 45 lobbyists registered to lobby for Bayer.
Note: In addition to increasing cancer risk by 41%, glyphosate is linked to severe depression and cognitive decline. Our latest Substack, "The Pesticide Crisis Reveals The Dark Side of Science. We Have The Solutions to Regenerate," uncovers the scope of Monsanto's media propaganda machine and the widespread conspiracy to poison our food, air, and along with the powerful remedies and solutions to this crisis. For more along these lines, read our concise summaries of news articles on government corruption and toxic chemicals.
In 2000 a study was published in the journal Regulatory Toxicology and Pharmacology that deemed the active ingredient in Roundup (glyphosate) was safe and not a human health risk. Since then, that study has been cited consistently as proof of Roundup’s safety. Numerous other studies have shown that glyphosate could cause cancer and that the inert ingredients that are part of the patented Roundup formulation increase the toxicity of glyphosate. Further, the practice of using Roundup as a desiccant on small grain crops (oats, wheat and barley) prior to harvest, puts Roundup directly on grain that enters the human food chain. Since acquiring Monsanto in 2018, Bayer has paid out about $11 billion to settle almost 100,000 cancer-related lawsuits, with approximately 61,000 still pending. In December of 2025, another blow to the claimed safety of Roundup when the Regulatory Toxicology and Pharmacology journal withdrew the 2000 article that had touted Roundup’s safety. While the study claimed to be independent and peer reviewed, it has come to light that Monsanto’s scientists played a significant role in conceiving and writing the article. Oops. For decades, Roundup has been sold as an effective herbicide, one that was safe to humans and the environment and without it, “consequences would be dire”. Companies like Bayer ... claim to produce safe products that help farmers thrive— real independent research refutes that.
Note: In addition to increasing cancer risk by 41%, glyphosate is linked to severe depression and cognitive decline. Our latest Substack, "The Pesticide Crisis Reveals The Dark Side of Science. We Have The Solutions to Regenerate," uncovers the scope of Monsanto's media propaganda machine and the widespread conspiracy to poison our food, air, and along with the powerful remedies and solutions to this crisis. For more along these lines, read our concise summaries of news articles on corruption in science and toxic chemicals.
Syngenta, maker of a controversial pesticide linked to Parkinson’s disease, said on Tuesday that it would stop making its paraquat weed killer by the end of June. The announcement comes as the company is facing several thousand lawsuits brought by people in the US who allege they developed Parkinson’s disease due to their exposure to Syngenta’s paraquat products. The company did not mention the litigation in its announcement. Paraquat has been used in the US since 1964 as a tool to kill broadleaf weeds and grasses. Though banned in several countries, including throughout Europe, Syngenta’s paraquat-based Gramoxone herbicide brand has remained popular with US farmers for use in growing soybeans, cotton and corn, as well as in growing grapes, pistachios, peanuts and many other crops. Numerous scientific studies have found that paraquat damages cells in the brain in ways that can lead to Parkinson’s, and more than 8,000 lawsuits are pending in US courts over the Parkinson’s allegations. The New Lede, in conjunction with the Guardian, obtained and revealed many of Syngenta’s internal corporate files, which show that not only was Syngenta aware of research linking paraquat to Parkinson’s decades ago, but it also sought to secretly influence scientific information and public opinion regarding those links. Lawmakers in multiple states have introduced legislation to ban paraquat, and several federal lawmakers have also called for bans.
Note: For more along these lines, read our concise summaries of news articles on health and toxic chemicals.
Chemicals increasingly used to replace the toxic plastic additive bisphenol A (BPA) may disrupt fertility, fetal development, and reproductive health through many of the same biological mechanisms, according to a narrative review of human, animal and laboratory studies. Concerns about BPA have led some manufacturers to phase it out and replace it with structurally similar compounds, most commonly bisphenol S (BPS), bisphenol F (BPF) and bisphenol AF (BPAF). While BPA exposure has declined, BPS and BPF use is rising, especially in North America and Asia. The review, published this month [February 2026] in Archives of Medical Research, found that these BPA substitutes—widely used in plastics, processed food and food packaging, children’s toys, and paper receipts—can interfere with the same hormone systems and gene-regulation pathways that control reproductive development in both males and females. “Although these compounds were originally synthesized to be safe for human use, they have also exhibited endocrine-disrupting activity similar to BPA, which affects reproductive function,” the researchers wrote. “These changes can lead to reproductive disorders and negative long-term and transgenerational consequences.” The [BPA] substitutes can mimic estrogen or block hormone activity. They also appear to induce epigenetic changes, altering the chemical signals that control how genes are turned on or off.
Note: For more along these lines, read our concise summaries of news articles on health and toxic chemicals.
For decades, Khoji Wesselius has noticed the oily scent of pesticides during spraying periods when the wind has blown through his tiny farming village in a rural corner of the Netherlands. Now, after volunteering in an experiment to count how many such substances people are subjected to, Wesselius and his wife are one step closer to understanding the consequences of living among chemical-sprayed fields of seed potato, sugar beet, wheat, rye and onion. “We were shocked,” said Wesselius ... who had exposure to eight different pesticides through his skin, with even more chemicals found through tests of his blood, urine and stool. “I was contaminated by 11 sorts of pesticides. My wife, who is more strict in her organic nourishment, had seven sorts of pesticides.” Regulators closely monitor dietary intake of pesticides when deciding whether they are safe enough for the market, but little attention has been paid to the effects of breathing them in or absorbing them through the skin. According to a new study, even people who live far from farms are exposed to several different types of pesticides from non-dietary sources. The researchers got 641 participants in 10 European countries to wear silicone wristbands continuously for one week to capture external exposure to 193 pesticides. In laboratory tests, they detected 173 of the substances they tested for, with pesticides found in every wristband and an average of 20 substances for every person who took part.
Note: Our latest Substack, "The Pesticide Crisis Reveals The Dark Side of Science. We Have The Solutions to Regenerate," uncovers the scope of Monsanto's media propaganda machine and the widespread conspiracy to poison our food, air, and along with the powerful remedies and solutions to this crisis. For more along these lines, read our concise summaries of news articles on food system corruption and toxic chemicals.
America’s factory farms generate nearly a trillion pounds of manure every year, and way too much of it ends up in rivers, lakes and estuaries. Unlike factories, most factory farms aren’t legally responsible for their pollution. Unlike human poop, animal poop isn’t legally required to be treated before it is released into the environment. America’s concentrated animal feeding operations, the industrial livestock farms known as C.A.F.O.s, produce twice as much waste as America’s toilets, but nobody is tracking where or how it gets flushed. C.A.F.O.s keep getting bigger, even though they are wildly unpopular. Polls from the A.S.P.C.A. suggest that 89 percent of Americans are concerned about factory farms and 74 percent want to ban new ones. The critics now include right-wing natural-food advocates as well as left-wing environmentalists and animal rights activists. Like it or not, 99 percent of U.S. meat now comes from factory farms. The solution to pollution from big C.A.F.O.s is not to ban them or even to restrict their size. It’s to regulate them like any other industrial polluter. States enforce the Clean Water Act, and some are more vigilant than others about preventing farmers from applying their manure in ways that tend to wash it into waterways. But a lot still ends up there. A feedlot cow can unload 100 pounds of manure a day, and unlike fracking water, nuclear waste and municipal sewage, nobody’s really responsible for making sure it doesn’t contaminate nature.
Note: For more along these lines, read our concise summaries of news articles on factory farming and toxic chemicals.
A scientific study that regulators around the world relied on for decades to justify continued approval of glyphosate was quietly retracted last Friday over serious ethical issues including secret authorship by Monsanto employees – raising questions about the pesticide-approval process in the U.S. and globally. The April 2000 study by Gary Williams, Robert Kroes and Ian Munro – which concluded glyphosate does not pose a health risk to humans at typical exposure levels – was ghostwritten by Monsanto employees, and was “based solely on unpublished studies from Monsanto,” wrote Martin van den Berg, co-editor-in-chief of Regulatory Toxicology and Pharmacology. It also ignored “multiple other long-term chronic toxicity and carcinogenicity studies” that were available at the time. Some of the study authors may also have received undisclosed financial compensation from Monsanto, he noted. The retraction came years after internal corporate documents first revealed in 2017 that Monsanto employees were heavily involved in drafting the paper. “What took them so long to retract it?” asked Michael Hansen, senior scientist of advocacy at Consumer Reports. The ghostwritten paper is in the top 0.1% of citations among academic papers discussing glyphosate. The retraction exposes the flaws of a regulatory system that relies heavily on corporate research, and an academic publishing system that is often used as a tool for corporate product defense.
Note: Our latest Substack, "The Pesticide Crisis Reveals The Dark Side of Science. We Have The Solutions to Regenerate," uncovers the scope of Monsanto's media propaganda machine and the widespread conspiracy to poison our food, air, and along with the powerful remedies and solutions to this crisis. For more along these lines, read our concise summaries of news articles on toxic chemicals and corruption in science.
Research on ALS, a debilitating condition also known as Lou Gehrig’s disease that leads to muscle weakness and death, has found a link between exposure to pesticides and disease development. A new study led by ... Alison O’Neil provides insight into how a specific pesticide damages the nerve cells affected in ALS patients. The paper, published in the prestigious multidisciplinary journal PLOS One, is a follow up to another study O’Neil conducted on the pesticide known as cis-chlordane, which is banned but persists in the environment. “The goal of the study was to try to figure out why cis-chlordane is able to kill motor neurons,” which are the nerve cells that die in ALS (amyotrophic lateral sclerosis), she said. “It turns out that [the pesticides] are affecting the mitochondria, which are the powerhouse of the cell,” said O’Neil. Without mitochondria, the motor neurons weaken and die. This insight points to potential for more effective treatments for a disease when current therapies extend life by only a few months. “The implications of that finding helps us determine what kind of drugs people need,” said O’Neil. Since there is clearly an environmental component in most cases of ALS, said Clackson, the research can help pinpoint what is contributing to the disease and potentially change disease trajectory. “If we see these early biomarkers, say pesticides in the blood, then we can perhaps treat them earlier and have a completely different outcome,” he said.
Note: It's recently come out that the popular pesticide paraquat probably causes Parkinson's disease. For more along these lines, read our concise summaries of news articles on health and toxic chemicals.
The World Health Organization’s cancer research agency has classified atrazine – the second most widely used herbicide in the United States – as “probably carcinogenic to humans,” adding to growing concerns about toxic exposures in the nation’s farm belt. The evaluation means the first and second most widely used herbicides in the U.S. – glyphosate and atrazine – are now both considered probable human carcinogens by the world’s leading independent cancer-hazard authority. Atrazine is banned in the European Union and other countries due to health and environmental concerns, but remains widely used in the U.S., where it is a common contaminant in drinking water, according to the Environmental Protection Agency. Despite these concerns, U.S. regulators allow its continued use. The new assessment by the WHO’s cancer agency comes 10 years after the agency’s landmark finding that glyphosate, the world’s most heavily used herbicide, is also “probably carcinogenic to humans.” Both atrazine and glyphosate are also endocrine disruptors, meaning they can disrupt key hormone systems that regulate growth, development and metabolism. Both herbicides are also largely produced by companies outside the United States. Syngenta, owned by ChemChina, produces most of the atrazine used in the U.S., while Bayer, based in Germany, is the dominant producer of glyphosate. The cancer designation for atrazine comes amid reports of rising cancer rates across the U.S. Corn Belt.
Note: It's recently come out that the popular pesticide paraquat probably causes Parkinson's disease. For more along these lines, read our concise summaries of news articles on health and toxic chemicals.
Imet my best friend, Ursula Guidry, in college. Ursula died from cancer when her children were in preschool. We’ll never know if her death was pure “bad luck,” or whether it had something to do with growing up amidst plastics-manufacturing facilities. What we know for certain is that the toxic chemicals emitted by those facilities can ravage the human body. It’s against that backdrop that I watch Environmental Protection Agency Administrator Lee Zeldin work feverishly to dismantle the safeguards protecting people from toxic chemical exposures. The U.S. averages one chemical spill, fire, or explosion every three days, but Zeldin’s attacks almost guarantee an increase. Every part of the petrochemical supply chain puts communities at risk, including the nation’s millions of miles of pipelines. In Satartia, Miss., a pipeline carrying carbon dioxide used in oil drilling ruptured from heavy rains and floods, spewing carbon dioxide for hours. The carbon dioxide displaced oxygen in the air, so car engines stopped running and people could not escape. Dozens were hospitalized. Acute CO2 emissions cause heart malfunction and death by asphyxiation. Extreme flooding can also submerge Superfund toxic waste dumps. Nearly 1 in 4 Americans live within three miles of a Superfund site. Zeldin’s plans are a gift to the fossil fuel and petrochemical corporations. For the rest of us, they are an explosive and hostile attack on our children, our families, and our best friends.
Note: For more along these lines, read our concise summaries of news articles on health and toxic chemicals.
November 30 marks the International Day of Remembrance for all Victims of Chemical Warfare. Between 1961 and 1971, the U.S. military sprayed an estimated 20 million gallons of herbicides over southern Vietnam, along the Ho Chi Minh Trail in Laos, and parts of Cambodia. Nearly two-thirds was Agent Orange, later discovered to be contaminated with 2,3,7,8-Tetrachlorodibenzo-p-dioxin (TCDD) — a potent, long-lasting dioxin. TCDD is a known human carcinogen and an endocrine disruptor, linked to cancers, reproductive disorders, and birth defects that can span generations. By the letter of the CWC, Agent Orange is not classified as a “chemical weapon.” If you ask a Vietnam veteran suffering from Parkinson’s, cancer, heart disease, or any of the 19 types of conditions the Department of Veterans Affairs (VA) associates with Agent Orange exposure, you’ll hear a very different story. To them, it was every bit a weapon designed to destroy life and health. A 2018 Government Accountability Office report found that over 757,000 veterans — about one in four who served — were receiving benefits linked to Agent Orange. The 2022 PACT Act broadened that circle to veterans who served in other areas where Agent Orange was used. By 2024, more than 84,000 new Vietnam-era veterans were granted compensation, many due to exposure. Fifty years after the Vietnam War ended, the toxic legacy of Agent Orange and other dioxins lingers on.
Note: For more along these lines, read our concise summaries of news articles on military corruption and toxic chemicals.
Microplastics! They’re in everything, from our bodies to the ocean. And apparently they’re even found in sediment layers that date back as early as the first half of the 1700s, showing microplastics’ pernicious ability to infiltrate even environments untouched by modern humans. A team of European researchers made this alarming discovery after studying the sediment layers at three lakes in Latvia, as detailed in a study published in the journal Science Advances. The scientists were studying lake sediment to test if the presence of microplastics in geological layers would be a reliable indicator for the beginning of the Anthropocene Epoch, defined in the study as starting in 1950 and meant to delineate when humans started having a large impact on our environment. Scientists have long used layers of ash or ice to study past events on Earth, leading to the question of whether microplastics can serve as a reliable chronological marker for the Anthropocene. Clearly not, according to this new research, which found microplastics in every layer of sediment they dredged up, including one from 1733. “We conclude that interpretation of microplastics distribution in the studied sediment profiles is ambiguous and does not strictly indicate the beginning of the Anthropocene Epoch,” the scientists wrote. It also shows microplastics’ remarkable ability to get absolutely everywhere.
Note: For more along these lines, read our concise summaries of news articles on environmental destruction. Then explore the emerging field of solutions to the problem of microplastics.
A 2024 mass monarch butterfly die-off in California was probably caused by pesticide exposure, new peer-reviewed research finds, adding difficult-to-obtain evidence to the theory that pesticides are partly behind dramatic declines in monarchs’ numbers in recent decades. Researchers discovered hundreds of butterflies that had died or were dying in January 2024 near an overwintering site, where insects spend winter months. The butterflies were found twitching or dead in piles, which are common signs of neurotoxic pesticide poisoning, researchers wrote. Testing of 10 of the insects revealed an average of seven pesticides in each, and at levels that researchers suspect were lethal. As much as 90% of the monarch butterfly population in some US regions has been wiped out in recent decades, and evidence has pointed to pesticides, climate crisis and habitat loss as the drivers. The butterflies were found adjacent to the Pacific Grove Monarch Sanctuary, one of about 400 wintering sites along California’s coast that are crucial points in the monarchs’ migratory and reproductive cycles. Though an investigation by a state agricultural official did not determine a source of the die-off, pesticide ... run off in shallow water sources near where high numbers of butterflies collectively drink present a risk for the type of mass die-off at Pacific Grove. All the butterflies showed high levels of the same three pyrethroids, a pesticide class widely used in California.
Note: Read more about the insect apocalypse. For more along these lines, read our concise summaries of news articles on toxic chemicals.
Carbon markets were first created decades ago as a means for companies to offset their greenhouse gas emissions by paying to reduce emissions somewhere else. Think: planting trees that hold carbon in South America to balance emissions from a factory in South Carolina. And over the last several years, policymakers, environmental and farm groups, and private companies began hyping the idea that specific markets could be created to pay farmers for adopting practices that could reduce emissions and hold carbon in soil. Congress passed the Growing Climate Solutions Act on a bipartisan basis in an effort to jump-start the markets. The two practices that dominate current markets—no-till and cover crops—require herbicides to succeed in the way they’re practiced. Farmers use herbicides to kill weeds that they could otherwise till under and to kill cover crops before planting a cash crop. [Hamilton College researchers raised concerns] that markets would incentivize activities that required heavy chemical inputs, which a farmer would have to purchase from a chemical company. Currently, Bayer, Corteva, and Truterra’s markets all pay farmers primarily to adopt no-till systems and to plant cover crops. And there is a long history of companies using those specific practices to market pesticides linked to serious health risks. As far back as the 1970s, Chevron Chemical promoted paraquat ... as a tool to convert to no-till farming.
Note: For more along these lines, read our concise summaries of news articles on climate change and toxic chemicals.
Between April and June of this year, the Environmental Protection Agency (EPA) proposed the approval of four new pesticides that qualify as PFAS based on a definition that is commonly used around the world and supported by experts. “What we’re seeing right now is the new generation of pesticides, and it’s genuinely frightening,” said Nathan Donley, the environmental health science director at the Center for Biological Diversity, who published a paper last year showing pesticides are increasingly fluorinated. Fluorination is the process that creates PFAS. “At a time when most industries are transitioning away from PFAS, the pesticide industry is doubling down. They’re firmly in the business of selling PFAS.” Because the EPA uses a different, narrower definition of PFAS, the agency does not categorize the new pesticides as falling into that category. Under the Trump administration, the [Office of Chemical Safety and Pollution Prevention] is being run by three industry insiders. Nancy Beck, formerly an executive at the American Chemistry Council, who previously pushed the EPA to weaken rules on PFAS in consumer products; Lynn Ann Dekleva, a former DuPont executive; and Kyle Kunkler, who has lobbied against pesticide regulations for the American Soybean Association. While the new pesticides are shorter-chain molecules compared to the other longer-chain molecules, they could still stick around in the environment for decades or even centuries.
Note: For more along these lines, read our concise summaries of news articles on government corruption and toxic chemicals.
Insect-eating bird populations in France appear to be making a tentative recovery after a ban on bee-harming pesticides, according to the first study to examine how wildlife is returning in Europe. Neonicotinoids are the world’s most common class of insecticides, widely used in agriculture and for flea control in pets. By 2022, four years after the European Union banned neonicotinoid use in fields, researchers observed that France’s population of insect-eating birds had increased by 2%-3%. These included blackbirds, blackcaps and chaffinches, which feed on insects as adults and as chicks. The results could be mirrored across the EU, where the neonicotinoid ban came into effect in late 2018, but research has not yet been done elsewhere. The lead researcher, Thomas Perrot from the Fondation pour la recherche sur la biodiversité in Paris, said: “Even a few percentage [points’] increase is meaningful – it shows the ban made a difference. Our results clearly point to neonicotinoid bans as an effective conservation measure for insectivorous birds.” Like the EU, the UK banned neonicotinoids for outdoor general use in 2018, although they can be used in exceptional circumstances. They are still widely used in the US, which has lost almost 3 billion insectivorous birds since the 1970s. Sustainable farming, which reduced pesticides and restored semi-natural habitats, would help bird populations recover.
Note: Explore more positive stories like this on healing the Earth.
There are 34 ingredients in M&Ms, and, according to Mars, the company that produces the candy, at least 30 countries – from Ivory Coast to New Zealand – are involved in supplying them. Each has its own supply chain that transforms the raw materials into ingredients – cocoa into cocoa liquor, cane into sugar, petroleum into blue food dye. The environmental impact of ultra-processed foods – like M&Ms – is less clear and is only now starting to come into focus. One reason they have been so difficult to assess is the very nature of UPFs: these industrially made foods include a huge number of ingredients and processes to put them together, making it nearly impossible to track. Since 1850, agricultural expansion has driven almost 90% of global deforestation, which has been responsible for 30% of global greenhouse gas emissions. Getting an exact measure of the environmental toll of UPFs is nearly impossible, given that, definitionally, UPFs consist of many ingredients and a high volume of opaque processes. Ingredients aren’t just mixed together like one would do to make a stew at home. Instead, these ingredients are chemically modified, some parts stripped away, and flavors, dyes or textures added in – and it’s unclear what the cost of these processes are because so many suppliers and components are involved. Another reason is that all UPFs (again, definitionally) are the creations of food companies that have little incentive to disclose their environmental footprint.
Note: For more along these lines, read our concise summaries of news articles on food system corruption and climate change.
The insecticide chlorpyrifos is a powerful tool for controlling various pests, making it one of the most widely used pesticides during the latter half of the 20th century. Like many pesticides, however, chlorpyrifos lacks precision. In addition to harming non-target insects like bees, it has also been linked to health risks for much larger animals – including us. Now, a new US study suggests those risks may begin before birth. Humans exposed to chlorpyrifos prenatally are more likely to exhibit structural brain abnormalities and reduced motor functions in childhood and adolescence. Progressively higher prenatal exposure to chlorpyrifos was associated with incrementally greater deviations in brain structure, function, and metabolism in children and teens, the researchers found, along with poorer measures of motor speed and motor programming. This supports previous research linking chlorpyrifos with impaired cognitive function and brain development, but these findings are the first evidence of widespread and long-lasting molecular, cellular, and metabolic effects in the brain. Subjects in this urban cohort were likely exposed to chlorpyrifos at home, since many were born before or shortly after the US Environmental Protection Agency banned residential use of chlorpyrifos in 2001. The pesticide is still used in agriculture around the world. "Widespread exposures ... continue to place farm workers, pregnant women, and unborn children in harm's way," says senior author Virginia Rauh.
Note: Did you know that chlorpyrifos was originally developed by Nazis during World War II for use as a nerve gas? Read more about the history and politics of chlorpyrifos, and how U.S. regulators relied on falsified data to allow its use for years.
Pesticides banned years ago in the European Union are drifting through the skies and turning up in clouds above France, raising concerns about how long these toxins persist and how far they can travel, with potentially harmful global health impacts, according to a pathbreaking new study. The research ... is the first to detect dozens of agricultural chemicals—including insecticides, herbicides, fungicides, and other substances—suspended in cloud water droplets. That means pesticides not only linger in the environment but also move through the atmosphere and fall back to Earth in rain or snow, sometimes at levels exceeding European safe drinking water limits. The study found that clouds can carry current-use pesticides, long-banned compounds, and “emerging contaminants“—industrial chemicals that either build up in the environment or form when older pesticides break down. Some even transform into new compounds in the atmosphere itself, beyond what regulators have known to consider. Researchers estimate that French skies alone may contain anywhere from a few tons to more than 100 tons of pesticides at any given time—most carried in from distant sources. Out of 446 possible chemicals screened—including pesticides, biocides (compounds that kill harmful organisms), additives, and transformation products (breakdown products of pesticides)—researchers found 32 different compounds in cloud water.
Note: Across the US, a powerful legislative push is underway to protect pesticide manufacturers from being held accountable for the harms caused by their products. Check out our latest Substack, "The Pesticide Crisis Reveals The Dark Side of Science. We Have The Solutions to Regenerate."
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