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Group Urges Regulation of Weed Killer Glyphosate, Found in Food Supply, for Its Synergistic Effects

Monday, September 15th, 2025

(Beyond Pesticides, September 15, 2025) With residues of the widely used weed killer glyphosate (Roundupᵀᴹ) in the food supply long documented, scientific attention has turned to the synergistic effects of the weedkiller— a magnified effect greater than the individual chemical effects added together. The authors of an article in World’s Poultry Science Journal write, “The synergistic toxic effects of commercial glyphosate formulations and their bioaccumulation in animal tissues are often overlooked in current safety assessments.” Following up on a previous action, Beyond Pesticides is telling Congress and the U.S. Environmental Protection Agency (EPA) that the agency must consider the effects of pesticides in the context in which they are used and promote the organic alternative.  Glyphosate residues in animal feed, as well as in water and through other exposure routes from food generally and residential areas, pose risks to both animal and human health, as these residues can bioaccumulate. As previously examined by Beyond Pesticides, the effects of pesticides are not limited to the crops to which they are applied. Synergistic effects of multiple chemical exposures are the rule, rather than the exception.   With poultry, the herbicide enters the production system through residues in genetically engineered feed. An earlier article in Scientific Reports concludes that glyphosate’s […]

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Study Adds to Science Showing Elevated Toxicity Linked to Pesticide Mixtures

Friday, September 12th, 2025

(Beyond Pesticides, September 12, 2025) A team of Argentinian researchers conducted a study published in Environmental Toxicology and Pharmacology of the combined effects of the herbicide glyphosate and the pyrethroid insecticide cypermethrin. The researchers observed significantly higher apoptosis in cells exposed to the mixtures than to the individual pesticides—a synergistic response. Apoptosis, also known as programmed cell death, is a standard way that tissues handle damaged cells to remove threats to their function. The researchers sought to investigate the cellular toxicity of each chemical, individually and in combination, and assessed whether the effects of the mixture were additive or synergistic. Additive effects occur when two individual chemicals amplify the same sort of response, often because the chemicals have similar structures. Synergism can occur when chemicals have different mechanisms of action but work together to create more powerful effects. Mixtures of pesticides are the least-studied area of research conducted for regulatory purposes. While regulators provide instructions to applicators regarding which pesticides can be applied together and combined in tank mixtures, there is no control over how pesticides travel through the environment once applied, as they flow through the air as spray drift, lodge in soils and water, and are incorporated into […]

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Organic Rice Offers Greater Biodiversity Support than Chemical-Intensive Paddies, Study Documents

Thursday, September 11th, 2025

(Beyond Pesticides, September 11, 2025) A study published in Agriculture, Ecosystems & Environment finds organic rice paddies in the Mediterranean region have greater ecosystem biodiversity, including increased presence of aquatic microorganisms and insects, than their chemical-intensive counterparts. While not a “cradle-to-grave” or holistic analysis of organic vs. chemical-intensive agriculture (see a similar example in previous Daily News here), the authors note that there is an increase in greenhouse gas emissions (GHGe) associated with compost use, which replaces synthetic fertilizers. Typically, compost builds biological life in the soil and contributes to a drawing down (or sequestering) of atmospheric carbon. As EPA notes, “[C]omposting lowers greenhouse gases by improving carbon sequestration in the soil and by preventing methane emissions through aerobic decomposition, as methane-producing microbes are not active in the presence of oxygen.” The transition to organically produced rice in the U.S. has come with challenges. One includes thorny debates over the inclusion of copper sulfate on the National List of Allowed and Prohibited Substances, which establishes materials permitted for use in certified organic production under the Organic Foods Production Act (OFPA). Under the law, USDA restricts copper sulfate in organic farming as follows: “For use as tadpole shrimp control in aquatic […]

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MAHA Strategy Report Backs Off Pesticides After Defining Serious Threat in Earlier Assessment

Wednesday, September 10th, 2025

(Beyond Pesticides, September 10, 2025) After being criticized by the chemical industry and allied agribusiness and service industry groups on the Make America Healthy Again (MAHA) report in May, the strategy document, released yesterday, has tamped down efforts to reform government programs that regulate pesticides. There are no specific recommendations on improving the regulation of pesticides. Rather, the strategy appears to embrace business-as-usual and could even ramp up government efforts to tout the need for pesticides and claims that current regulatory reviews are effective and comprehensive. In a section of the strategy entitled “Increasing Public Awareness and Knowledge,” the document says: “EPA, partnering with food and agricultural stakeholders, will work to ensure that the public has awareness and confidence in EPA’s pesticide robust review procedures and how that relates to the limiting of risk for users and the general public and informs continual improvement.” This is at odds with the earlier MAHA assessment report which identified pesticides as substances of concern that, citing deficiencies in chemical reviews, “may be neglecting potential synergistic effects and cumulative burdens, thereby missing opportunities to translate cumulative risk assessment into the clinical environment in meaningful ways.” While the earlier report, Make Our Children Healthy Again: Assessment, […]

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Review of Scientific Literature Finds All Pesticide Classes Threaten Nontarget Organisms and Biodiversity

Wednesday, September 10th, 2025

(Beyond Pesticides, September 10, 2025) Published earlier this year, a review of over 1,700 studies in Nature Communications finds pesticides affect a diverse range of nontarget organisms and contribute to global biodiversity loss. The authors* reveal “negative responses of the growth, reproduction, behaviour and other physiological biomarkers within terrestrial and aquatic systems” for nontarget plants, animals, and microorganisms. “To our knowledge, there has been no systematic and overarching synthesis of how different types of pesticides affect the diversity of multiple non-target eukaryotic and prokaryotic organisms across all trophic levels,” the researchers write. They continue, “Furthermore, current syntheses have not considered how the impacts of pesticides differ globally across climatic zones or for major mechanisms of exposure, such as those acting in aquatic or terrestrial environments.” In particular, pesticide regulatory risk assessments analyze a limited range of model species, including rats, zebrafish, clawed frogs, honeybees, and earthworms, among others. As such, they are unlikely to capture the variety of responses to pesticide exposure seen across the diversity of species and communities found in both managed and natural systems,” the authors state. *Authors include Beyond Pesticides 2023 National Forum speaker Dave Goulson—see the Daily News on his keynote address here. Research Results […]

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Scientific Studies Identify EPA Deficiency in Evaluating Safety of Toxic Chemical Interactions

Monday, September 8th, 2025

(Beyond Pesticides, September 8, 2025) Beyond Pesticides today called on Congress to require the U.S. Environmental Protection Agency (EPA) to incorporate real world science into its evaluation of pesticide safety calculations by recognizing that daily exposure involves multiple chemicals and synergistic interactions— a magnified effect greater than the individual chemical effects added together. The organization cites numerous scientific studies that call public attention to this issue; that a realistic assessment of the human and environmental harm potentially caused by pesticides cannot be evaluated based on single-chemical, single-species tests. Given the numerous complexities associated with this type of assessment, the group points to organic land management in agriculture and residential areas as a more cost-effective approach, sending this message to Congress: EPA must consider the effects of pesticides in the context in which they are used and with reference to the organic alternative. A recent study, covered by Beyond Pesticides in its Daily News, found that the presence of Varroa mites in combination with the neonicotinoid insecticide imidacloprid increases the risk of bee mortality and disrupts the larval gut microbiome. The study found synergy (a greater combined effect) between Varroa destructor, a parasitic mite that attacks and feeds on honey bees, and imidacloprid. The findings were published last […]

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Review of Science on Glyphosate Weed Killer in Poultry Production Highlights Extraordinary Health Threats

Tuesday, August 26th, 2025

(Beyond Pesticides, August 26, 2025) A scientific review in World’s Poultry Science Journal highlights the adverse health effects on avian species from exposure to the widely used weed killer glyphosate (Roundupᵀᴹ) throughout the process of poultry production. The herbicide enters the poultry production system through residues in genetically engineered feed. An earlier article in Scientific Reports concludes that glyphosate’s (GLP) “widespread application on feed crops leaves residues in the feed,” while residues are “found to be common in conventional eggs acquired from grocery stores.” In analyzing the biochemical, toxicological, and ecological impacts of glyphosate on poultry, particularly chickens, the authors find a wide body of evidence linking glyphosate and its metabolite (breakdown product) aminomethylphosphonic acid (AMPA) to debilitating hazards that extend beyond mortality. These sublethal effects include disruption of the gut microbiome and gastrointestinal disease; decreased productivity and diminished reproductive health; hepatic and kidney toxicity; growth and developmental impacts, including teratogenicity and embryotoxicity; endocrine disruption and oxidative stress; and impaired immune functions. The effects of glyphosate, as have long been documented in the scientific literature and covered by Beyond Pesticides here, range from negative impacts on biodiversity and the environment to food safety risks and human health implications. Residues of […]

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Broad Coalition Calls on Congress To Reject Fast-Moving Legislation To Shield Chemical Companies from Liability

Friday, August 22nd, 2025

(Beyond Pesticides, August 22, 2025) Legislative language moving through Congress—intended to prevent farmers, consumers, and workers from holding pesticide manufacturers accountable for the harm caused by their toxic products—is being opposed by a broad coalition of farmers, beekeepers, consumers, environmentalists, and workers with the release today of a joint statement opposing a dramatic change in a fundamental legal right. The document, Protect the Right of Farmers, Consumers, and Workers to Hold Pesticide Companies Accountable for Their Harmful Products, is joined by 51 organizations, coalitions, businesses, and leaders representing tens of thousands of members and communities. The legislation at issue is hidden in a provision of the Appropriations bill (Section 453) that has passed through the Appropriations Committee in the U.S. House of Representatives and is headed for a vote of the full House in the next couple of weeks, followed by the U.S. Senate. The Appropriations provision is being pushed by chemical companies in the wake of extraordinary jury verdicts against Bayer/Monsanto, amounting to billions of dollars in compensatory and punitive damages, for “failure-to-warn” liability claims involving glyphosate (Roundupᵀᴹ) weed killer products. The pesticide has been classified as cancer-causing by the International Agency for Research on Cancer (a part of […]

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Study Shows Synergistic Effects of Pesticides and Mites in Bees, Adding to Science on Colony Decline

Thursday, August 21st, 2025

(Beyond Pesticides, August 21, 2025) The presence of Varroa mites in combination with the neonicotinoid insecticide imidacloprid increases the risk of bee mortality and disrupts the larval gut microbiome, according to a study of the synergy (a greater combined effect) between Varroa destructor, a parasitic mite that attacks and feeds on honey bees, and imidacloprid. The study in Pesticide Biochemistry and Physiology adds to the growing body of science on the severely declining bee population by investigating the toxic effects of both the parasites and pesticide stressors in honey bees (Apis mellifera). “Given that V. destructor may increase bees’ sensitivity to imidacloprid by compromising their physiological health and immunity, this study systematically assesses the effects of V. destructor infestation and imidacloprid exposure on honey bee survival, detoxification enzyme activity, and gut microbiota,” the authors explain. The intestinal tract and gut microbiome are crucial for digestion, metabolism, nutrient absorption, immune regulation, and pathogen defense. Within honey bees, the gut microbiome is “highly susceptible to external environmental stressors, such as pesticide exposure and parasitic infections [and] these disturbances can lead to microbial imbalances, ultimately affecting bee health.” (See studies here and here.) Previous research earlier this year, captured in Daily News Variability […]

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Biomonitoring of Total Pesticide Exposure Shows Adverse Effects to Women’s Reproductive Health

Tuesday, August 19th, 2025

(Beyond Pesticides, August 19, 2025) A new study from Argentina highlights the importance of applying the concept of the exposome (total exposures over lifetime) as a scientific framework, the value of biomonitoring, and findings of adverse pregnancy outcomes. The study documents the presence and effects of pesticides on maternal and fetal health during pregnancy. The results show that pregnant Argentine women are exposed to dozens of pesticides, and that certain mixtures of these chemicals are associated with harm to pregnancy outcomes, especially among rural women. The exposome, the authors write, comprises the “non-genetic factors that may be involved in the development or aggravation of human disease. The prenatal exposome includes all environmental chemicals that the mother is exposed to during pregnancy (maternal exposome) and those chemicals that reach the placenta and fetus from the maternal circulation (fetal exposome).” The authors emphasize that understanding the exposome almost by definition requires studying mixtures of environmental chemicals rather than analyzing the effects of each in isolation. The second important aspect of the study is its use of biomonitoring. The researchers analyzed urine samples from 90 pregnant women in various gestational stages from rural and urban regions of Argentina. The researchers also collected demographic […]

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Public Fighting Manufacturers’ Push To Deny Cancer Victims the Right to Sue under Longstanding Law

Monday, August 18th, 2025

(Beyond Pesticides, August 18, 2025)  With pesticide manufacturers pushing to stop cancer victims (and others suffering adverse effects) from suing them under longstanding ”failure to warn law,“ U.S. Senator Cory Booker (D-NJ) is proposing to uphold this unequivocal right to protection. Senator Booker has introduced the Pesticide Injury Accountability Act (S. 2324) to protect the rights of farmers and consumers to hold pesticide manufacturers responsible for the harm caused by their toxic products. This effort comes in the wake of congressional and state legislative attacks on “failure-to-warn” liability claims that are taking place in response to extraordinary jury verdicts against Bayer/Monsanto for harm caused by glyphosate weed killer products like Roundup.ᵀᴹ 📣 Beyond Pesticides, with allied organizations across the U.S., is asking the public to “Tell your U.S. Senator to co-sponsor S. 2324, the Pesticide Injury Accountability Act.” This bill will amend the Federal Insecticide, Fungicide, and Rodenticide Act of 1972 (FIFRA) to create a federal right of action for anyone who is harmed by a toxic pesticide.  Despite growing peer-reviewed scientific evidence linking widely used pesticides to a host of health harms, including cancers, birth defects, endocrine disruption, Parkinson’s disease, and infertility, the chemical industry and its allies in elective office are pushing to deny victims access to […]

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Pesticide Biomarkers in Urine Find High Pesticide Exposure in Region of Ecuador Cultivating Cut Flowers for Export

Friday, August 15th, 2025

(Beyond Pesticides, August 15, 2025) In analyzing the data present in an article in Data in Brief, concerning levels of pesticide biomarkers are present in the urine of adolescents and young adults that are linked to numerous health implications. The biomonitoring data, collected at two time points from participants in a longitudinal cohort study in the agricultural county of Pedro Moncayo, Ecuador, encompasses a total of 23 compounds used as herbicides, insecticides, and fungicides and their associated metabolites (breakdown products), which include organophosphates, pyrethroids, and neonicotinoids. The results highlight the disproportionate risks to a Latin American population that occur as a result of living in areas with heavy chemical-intensive agriculture. “This article presents urinary pesticide metabolite concentrations for 665 participants in the ‘Study of Secondary Exposure to Pesticides among Children, Adolescents, and Adults’ (ESPINA), which were collected during two follow-up assessments,” the authors describe. The first sampling period from July to October 2016, referred to as Follow-up Year [FUY]-8b, includes 529 of the participants, while the second sampling period from July to September 2022 (FUY-14a) includes 505 of the participants. All participants are within the agricultural community of Pedro Moncayo. As the authors note, “The ESPINA study aimed to include […]

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Review Links Pesticides and Contaminants to Mechanisms that Threaten Women’s Reproductive Health

Thursday, August 14th, 2025

(Beyond Pesticides, August 14, 2025) A review in Clinical and Experimental Obstetrics & Gynecology links various classes of environmental pollutants including pesticides and per- and polyfluoroalkyl substances (PFAS), both of which Beyond Pesticides has extensively covered, to adverse effects on the female reproductive system and common mechanisms of toxicity. These chemicals “disrupt the hypothalamic-pituitary-gonadal axis (HPG), impair ovarian function, and contribute to reproductive dysfunction through mechanisms such as oxidative stress, hormonal disruption, and epigenetic [gene expression or behavior] modifications,” the authors say. This leads to menstrual irregularities, infertility, and pregnancy complications, as well as increases in the risk of reproductive system disorders such as endometriosis, polycystic ovary syndrome (PCOS), and ovarian cancer, among others. “Additionally, transgenerational effects mediated by epigenetic modifications, germ cell damage, and placental transfer may adversely affect offspring health, increasing the risk of reproductive dysfunction, neurodevelopmental disorders, metabolic diseases, and cancer,” the researchers explain. This study, integrating recent epidemiological and experimental findings, provides an overview of major chemical classes that threaten women’s health and highlights the need for immediate action. As the authors point out, female reproductive health is important not only for those who choose to plan for a family but also for the overall well-being […]

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Eighty Pesticides Detected in the Air of Rural Agricultural Area

Friday, August 8th, 2025

(Beyond Pesticides, August 8, 2025) In a study published in Environmental Pollution, researchers have detected eighty pesticides (35 insecticides, 29 fungicides, and 11 herbicides, and metabolites) in the ambient air of a rural region of Spain (Valencia) between 2007 and 2024. Despite these dramatic findings, the authors conclude that there is “no [observable] cancer risk,” “no inhalation risk for adults,” and only one pesticide concentration (the insecticide chlorpyrifos) showing “a potential risk to toddlers.” However, the authors did not conduct an aggregate risk assessment that would typically consider all routes of exposure to the individual pesticides detected, including through water, food, and landscapes. Not considered by the authors are the potential effects of pesticide mixtures and full pesticide product formulations (with all potentially toxic ingredients), also a deficiency in the U.S. Environmental Protection Agency (EPA) registration of pesticides under federal law. Of concern, as well, are other contaminants in pesticide products, including but not limited to per- and polyfluoroalkyl substances (PFAS), heavy metals, plastics (including microplastics), which contribute to chronic diseases and health risks, and adverse effects to ecosystem stability exacerbated by the climate crisis. Background and Methodology “This work aims to conduct a further study on the situation of […]

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EPA To Allow Dicamba Herbicide Used in Genetically Engineered Crops, Prone to Drift and Weed Resistance

Monday, August 4th, 2025

(Beyond Pesticides, August 4, 2025) Comments on EPA proposal to bring back controversial use of herbicide dicamba due by Saturday, September 6, 2025, at 11:59 PM ET. With more than 90 percent of soybeans (also corn and the most common species of cotton) planted in varieties genetically engineered to be herbicide-tolerant, the agrichemical industry and industrial agribusiness are lining up to bring back agricultural spraying of the controversial weed killer dicamba—linked to crop damage associated with the chemical’s drifting off the target farms. The courts in 2020 and 2024 vacated EPA’s registration authorizing “over-the-top” (OTT) spraying of dicamba, leading to these uses being stopped in the 2025 growing season. (See Daily News.)              Genetically engineered crops, widely adopted in 1996 with Monsanto’s glyphosate-tolerant (Roundup Ready) soybean seeds and plants, have been plagued by weed resistance to the weed killers, movement of genetic material, chemical drift, and health and environmental hazards associated with pesticide exposure. Despite the problems and escalating herbicide use in chemical-dependent no-till (no tillage) agriculture, regulators at the U.S. Environmental Protection Agency (EPA) and the U.S. Department of Agriculture (USDA) have facilitated the astronomical growth of a genetically engineered food system. The industry makes the environmental argument that less […]

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Herbicide Dicamba Linked to Crop and Plant Damage and Cancer Subject of Deregulation Despite Court Ruling

Friday, August 1st, 2025

(Beyond Pesticides, August 1, 2025) On June 30, Kyle Kunkler started work as deputy assistant administrator for pesticides in U.S. Environmental Protection Agency’s (EPA) Office of Chemical Safety and Pollution Prevention. Mr. Kunkler is an experienced agribusiness lobbyist, having come directly from the American Soybean Association, where he was director of government affairs. He joins Nancy Beck, PhD, herself a migrant from the American Chemistry Council. Not coincidentally, a mere three weeks after Mr. Kunkler’s appointment, EPA opened the floodgates to allow use of the controversial herbicide dicamba to flow unrestricted once again through the nation’s ecosystems. Dicamba has been associated with phytotoxic crop/plant damage (leaf damage, stunted growth, or death) and cancer. Three formulations of the herbicide whose registrations had been vacated via litigation will be reinstated by EPA after a public comment period that expires on August 22 at 11:59 PM EDT. Dicamba is manifestly one of the worst ideas the pesticide industry has ever devised, according to many farmers and pesticide safety advocates. Because of resistance to other herbicides, pesticide scientists developed the “[insert pesticide]-ready” concept in which a crop plant is genetically engineered to resist exposure to a herbicide, “Roundup-Ready” seeds being the most obvious example, so […]

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Sublethal Effects of Weed Killer Glyphosate Associated with Colony Decline, According to Study

Thursday, July 31st, 2025

(Beyond Pesticides, July 31, 2025) A study published in Environmental Advances finds that hundreds of honeybee hives across central and northern Italy are contaminated with various pesticides and their metabolites, including glyphosate and fosetyl.  “There was no significant difference in glyphosate presence between dead/dying and live bees, suggesting chronic exposure rather than acute toxicity. However, higher pesticide concentrations in dead/dying bees indicate potential sublethal effects contributing to colony distress,” according to the authors. This peer-reviewed study builds on the mounting evidence outlined in the literature connecting pesticide residues to nontarget harm to pollinators and other insects and animals that are critical to biodiversity. Background and Methodology “The primary objectives of this study were to develop and validate a reliable, sensitive method for analyzing polar pesticides [highly soluble in water] in honeybees and to investigate polar pesticides residue levels in honeybees across northern and central Italy,” say the researchers of this study, who conduct research at the Experimental Zooprophylactic Institute of Lombardy and Emilia Romagna “Bruno Ubertini”, Experimental Zooprophylactic Institute of Umbria and Marche “Togo Rosati”, and Experimental Zooprophylactic Institute of Lazio and Tuscany “M. Aleandri.” 314 honeybee samples were gathered voluntarily from local beekeepers in six regions of northern and […]

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Behind the Numbers Linking Pesticides to Neurological Disorders, the World’s Largest Source of Disability

Tuesday, July 29th, 2025

(Beyond Pesticides, July 29, 2025) Are neurological diseases increasing around the world? Yes and no, according to a report published by The Lancet in 2024 on the global burden of nervous system diseases between 1990 and 2021. About 3 billion—a third of the world’s people—suffer from some nervous system condition. These diseases cause 11 million deaths and 443 million disability-adjusted life years (DALYs), which are a measure of the years lost to illness, disability, or early death. Neurological disorders are now the world’s largest source of disability. The Lancet report does not include an analysis of the role of pesticides in the burden of neurological disease worldwide, although environmental health research continues to expand the evidence that pesticide exposure is a major contributor to that burden. The Lancet report indicates that DALYs from Parkinson’s disease have increased by 10 percent, and autism spectrum disorder and dementia by 2 percent each. Multiple sclerosis has declined by 11 percent, according to the report. Importantly, most of the improvement has come from medical interventions, not prevention—in other words, people are living longer with the diseases rather than avoiding them altogether. But this is not true globally: The burden of disease, and particularly premature death, […]

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Group Calls on Congress and EPA to Ban Pesticides Leading to Antimicrobial Resistance and Global Health Threat

Monday, July 28th, 2025

(Beyond Pesticides, July 28, 2025) As the problem of antimicrobial-resistant infections continues to escalate to pandemic proportions, Beyond Pesticides is again calling on Congress and the federal government to urgently start to eliminate the use of pesticides that contribute to antibiotic resistance. While data accumulates on antimicrobial resistance, including Daily News reporting of yet another study in June in Environmental Geochemistry and Health, the 79th United Nations General Assembly High-Level Meeting on antimicrobial resistance (September 2024) points to  nearly five million deaths in 2019 from antibiotic-resistant microbial infections and $1 trillion in annual health care costs per year by 2050 globally. According to the UN’s political declaration, “[G]lobally, antimicrobial resistance could result in US$ 1 trillion of additional health-care costs per year by 2050 and US$ 1 trillion to 3.4 trillion of gross domestic product losses per year by 2030, and that treating drug-resistant bacterial infections alone could cost up to US$ 412 billion annually, coupled with workforce participation and productivity losses of US$ 443 billion, with antimicrobial resistance predicted to cause an 11 per cent decline in livestock production in low-income countries by 2050.” These findings grow out of “[G]eneral Assembly resolution 78/269, to review progress on global, regional and […]

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Senate Approps Cmte Considers House Bill Provision that Strips People of Right to Sue for Pesticide Harm—July 24

Wednesday, July 23rd, 2025

(Beyond Pesticides, July 23, 2025) Attention turns to the U.S. Senate on legislation that (i) shields pesticide companies from lawsuits by those harmed from pesticide product use, (ii) limits states’ authority to regulate pesticides, and (iii) prevents EPA from regulating PFAS—after passage in the House Appropriations Committee on July 22. The Senate Appropriations Committee meets tomorrow, July 24, to vote on language that has not yet been released to the public. Efforts by Democrats failed to strike sections 453, the shield provision, and 507, the PFAS (per- and polyfluoroalkyl substances) language, from the FY26 Interior-Environment Appropriations Bill. The same provisions could show up in the Senate Appropriations Bill. Beyond Pesticides is: Asking U.S. Senators to help stop Appropriations Bill provisions that strip farmers and consumers from suing for pesticide harm, ensuring that language in House Appropriations Bill, Sections 453 and 507, not be included in the Senate bill. *If  Senator is on the Appropriations Committee, the letter submitted will automatically adjust the language by recognizing their Committee membership. The Need for Court Action in the Face of EPA Dismantling With the massive dismantling of U.S. Environmental Protection Agency (EPA) programs by the current administration, the appropriations bill provision limits court oversight, […]

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A Wave of Lawsuits Filed that Links the Weed Killer Paraquat to Parkinson’s Disease, Report Charges Coverup

Wednesday, July 23rd, 2025

(Beyond Pesticides, July 23, 2025) The pesticide manufacturer Syngenta has settled several lawsuits in federal courts in Pennsylvania and Illinois in recent months and is seeking a global settlement with over 6,000 litigants in order to avoid nationwide trials linking their weed killer paraquat to Parkinson’s Disease, according to reporting by The New Lede and The Guardian, respectively. Internal Syngenta documents released by these news outlets in a report dubbed The Paraquat Papers indicate that the company was aware of scientific evidence linking paraquat to Parkinson’s and attempted to quash research efforts to disclose the evidence.   These lawsuits were filed on behalf of former farmers and agricultural workers who went on to be diagnosed with neurological disorders, including Parkinson’s Disease, after using paraquat-based herbicide products for long periods of time. This litigation comes at a time when pesticide manufacturers across the board are facing increased scrutiny and subsequent financial repercussions. Simultaneously, their allies in Congress are revamping their efforts to shield chemical manufacturers from “failure to warn” lawsuits and establish federal preemption of local state governments’ ability to regulate pesticides more stringently than the U.S. Environmental Protection Agency. Many of the paraquat lawsuits in federal courts, known as multidistrict […]

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Congress Asked To Stop Provision in Approps Bill Blocking Pesticide Lawsuits on Farmer and Consumer Harm

Monday, July 21st, 2025

(Beyond Pesticides, July 21, 2025) Beyond Pesticides is asking every member of the U.S. Representatives to voice their opposition in advance of a vote as early as Tuesday, July 22 on a provision before the House Appropriations Committee—in the Interior-Environment Appropriations Bill—that shields pesticide companies from lawsuits by those harmed from pesticide product use and limits states’ authority to regulate pesticides. This is a fight to protect farmers’ and consumers’ right to sue pesticide manufacturers for misbranding products and their failure to warn product users. The language before the Committee is in Section 453 of the bill passed last week by the subcommittee on a straight party-line vote, with Republicans supporting the bill language. Beyond Pesticides is also asking Congress members to remove section 507, which prohibits EPA action on PFAS (per- and polyfluoroalkyl substances), including fluorinated pesticides.  Update from July 21, 2025, at 4 PM: ⏰ Representative Chellie Pingree (D-ME-1) moved forward with amendments to strike sections 453 and 507 of the FY26 Interior-Environment Appropriations Bill, which is a provision that provides immunity for pesticide manufacturers from farmer and consumer lawsuits seeking compensation from product harm. Update from July 23, 2025, at 10 AM: The FY26 Interior-Environment Appropriations Bill passed out of […]

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Variability in Effect of Pesticides on Bumblebee Survival Tied to Gut Microbiome Health

Friday, July 18th, 2025

(Beyond Pesticides, July 18, 2025) A study in Royal Society Open Science shows intraspecific differences (between individuals of a species) in wild bumblebees (Bombus vosnesenskii) exposed to an herbicide (glyphosate), a fungicide (tebuconazole), and an insecticide (imidacloprid), with gut microbiome health as a factor. “Wild pollinator declines are increasingly linked to pesticide exposure, yet it is unclear how intraspecific differences contribute to observed variation in sensitivity, and the role gut microbes play in the sensitivity of wild bees is largely unexplored,” the authors explain. “Here, we investigate site-level differences in survival and microbiome structure of a wild bumble bee exposed to multiple pesticides, both individually and in combination.” In collecting 175 individuals of this wild, foraging species from an alpine meadow, a valley lake shoreline, and a suburban park and exposing them to a diet with individual pesticides and mixtures, the researchers assess the varying lethal and sublethal effects that can occur with pesticide exposure. Between the three sites, the survival differences “emphasize the importance of considering population of origin when studying pesticide toxicity of wild bees” and highlight how pesticide sensitivity not only varies between species but within individuals of the same species with site-specific impacts. (See previous Daily […]

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