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Daily News Blog

Archive for the 'Chemicals' Category


29
Jul

Public Asked To Support Petition To Stop EPA from Allowing “Forever Chemicals” (PFAS) Use in Pesticides

(Beyond Pesticides, July 29, 2024) Beyond Pesticides is asking the public to support a petition to the U.S. Environmental Protection Agency (EPA), filed by environmental and farm groups, to require the agency’s pesticide registration program to ban PFAS (so-called “forever chemicals”) as pesticide ingredients and all their uses that result in contamination of pesticide products. The petition, submitted by the Center for Food Safety (CFS) on behalf of 12 other petitioners, asks EPA to: “(1) ban PFAS as pesticide ingredients; (2) adopt a broad definition of PFAS chemicals that reflect the current scientific understanding of the class of chemicals; (3) prohibit the use of PFAS-containing containers for pesticide storage; (4) mandate reporting of PFAS contamination from pesticide registrants; and (5) prevent future contamination by requiring pesticide manufacturers to submit data specific to PFAS before future registrations can be approved.” PFAS—per- and polyfluorinated substances—is a group of nearly 10,000 highly persistent, human-made toxic chemicals. A commentary released last week in Environmental Health Perspectives, Forever Pesticides: A Growing Source of PFAS Contamination in the Environment, “explore[s] different ways that PFAS can be introduced into pesticide products, the extent of PFAS contamination of pesticide products, and the implications this could have for human […]

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26
Jul

Scientific Findings Call for Urgent Action in Just Released Issue of Pesticides and You

(Beyond Pesticides, July 26, 2024) Beyond Pesticides released the latest issue of Pesticides and You this week, a compendium of scientific research on pesticide threats to human and environmental health. The issue is a breathtaking warning from the science community that environmental, health, and labor laws are not protecting the public. Beyond Pesticides says in its introduction that a shift away from toxic pesticide use is urgently needed. Included in this issue are scientific reviews of research reported by Beyond Pesticides in 2023, providing a critique of the independent peer-reviewed literature with a shocking range of adverse effects, including cancer, neurotoxicity, brain effects, reproductive impacts, diabetes and obesity, chronic kidney and liver disease, Parkinson’s, respiratory illness and asthma, learning and behavioral abnormalities, and more, as well as disproportionate harm to people of color. In addition, the science documents pesticides’ catastrophic harm to the ecosystems that sustain life. In total, these dramatic findings call for an end to the use of toxic pesticides, incompatible with respect for living organisms and, to environmental, health, and labor advocates, unconscionable given the availability of viable, cost-effective organic practices. This issue adds to the body of knowledge from two previous issues of Pesticides and You (Transformative Change: […]

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25
Jul

Oregon Court of Appeals Overturns Monsanto-Bayer Trial Victory, Protects Failure-to-Warn Claims

(Beyond Pesticides, July 25, 2024) On July 10, the Oregon Court of Appeals ruled that the Federal Insecticide, Fungicide and Rodenticide Act (FIFRA) does not preempt pesticide exposure victims’ state law claims against pesticide manufacturers, based on reporting from The New Lede. This decision builds on years of judicial precedent from the Supreme Court of the United States (SCOTUS) that protects individuals’ right to use failure-to-warn claims against producers of toxic pesticides, including Bayer-Monsanto. The importance of judicial review is critical to protecting the public against public health impacts of toxic pesticide use in the context of last month’s SCOTUS decision ending Chevron Doctrine, and with it the end of deferring to federal regulatory agencies on ambiguities in statutory mandates. A growing coalition of environmental and public health advocates, organic farmers, trial attorneys, farmworkers, and physicians are united in pushing back against a concerted effort by industry and its allies to attack victims’ ability to sue under “failure-to-warn” through the Farm Bill, state legislatures, and the proposed federal budget for Fiscal Year 2025. Oregon Court of Appeals In 2022, a local trial court in Oregon ruled in favor of Monsanto on a lawsuit initiated by Jackson County residents Larry and […]

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23
Jul

Enhanced Bioavailability and Contamination of Neonicotinoid Pesticides Linked to Microplastics in Soil

(Beyond Pesticides, July 23, 2024) In analyzing the interactions between neonicotinoid pesticides (NNPs) and microplastics (MPs), a recent study in The Science of The Total Environment finds that neonicotinoids such as thiacloprid (THI) become more bioavailable in soils containing traditional and biodegradable plastics. Increased bioavailability, which quantifies the extent to which organisms are exposed to chemicals in soil or sediment, puts soil microbiota at risk and leaves all consumers susceptible to adverse effects in contaminated food crops. This study raises a grave deficiency, among others, in the pesticide registration and regulatory review process, which currently ignores interactions of pesticides with other contaminants, like microplastics, in the environment when conducting health and ecological effects assessments.   The researchers, from China University of Geosciences, Beijing Academy of Agriculture & Forestry Sciences, Chinese Academy of Agricultural Sciences, and University of Swat in Pakistan, chose to study thiacloprid as an example of NNPs to explore “the adsorption-desorption process and mechanism of NNPs on MPs,” as well as the main factors affecting adsorption, since these are two contaminants of concern in agricultural environments.  Adsorption [clinging to the surface] and desorption [releasing after adsorption] of thiacloprid by both traditional and biodegradable MPs, and the impact of MPs […]

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19
Jul

Mexico’s President-elect, Climate Scientist Sheinbaum, Opportunity for Dramatic Change and Int’l Leadership

Image: EneasMx, CC-BY-SA 4.0 <https://creativecommons.org/licenses/by-sa/4.0/>, via Wikimedia Commons (Beyond Pesticides, July 19, 2024) Former mayor of Mexico City and climate scientist Claudia Sheinbaum, PhD was elected President of Mexico on June 2, making her the first female and Jewish citizen to hold the highest political office in the nation. She will be inaugurated on October 1, 2024. Dr. Sheinbaum’s ascension to the presidency comes at a time of increasing pressure from the United States government to acquiesce to its demands to open agricultural markets to genetically engineered (GE) crops (particularly corn) and the use of the carcinogenic weed killer glyphosate. With the formal review of the United States-Mexico-Canada Agreement (USMCA) approaching in 2026, Mexico will soon decide under Dr. Sheinbaum’s leadership whether it will be an international stalwart against the unfettered spread of GE corn amidst pressure from the U.S. Trade Representative and as industry continues to enable the cascading crises of the climate emergency, public health crisis, and biodiversity collapse. With new administrations in the United Kingdom and France, and the upcoming election in the U.S., how governments around the world, independently and collectively, choose to seriously confront or soft-pedal the existential environmental crises will determine the livability of […]

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18
Jul

Developmental Neurotoxic Effects of Widely Used Neonicotinoid Insecticide Underestimated by EPA

(Beyond Pesticides, July 18, 2024) A recent study in The Journal of Toxicological Sciences shows that a single dose of the neonicotinoid insecticide clothianidin (CLO) induces behavioral abnormalities, predominantly in female mice, throughout key stages of development. In testing mice at various ages, sex-specific changes were identified that highlight not only varied effects on males and females but also how pesticide exposure at a young age can cause lasting impacts throughout adulthood in mammalian species.  The researchers, at the Laboratory of Animal Reproduction and Development at Tohoku University in Japan, “utilized murine [mouse] models to compare the sex-specific differences in behavioral effects following CLO exposure at different developmental stages. [They] orally administered CLO to male and female mice as a single high-dose solution (80 mg/kg) during the postnatal period (2-week-old), adolescence (6-week-old), or maturity (10-week-old), and subsequently evaluated higher brain function.”   As the authors remark, “Most studies on the neurotoxicity of CLO have targeted only males, with limited insights regarding the neurodevelopmental toxicity in females. There are significant sex differences in brain development due to hormonal, genetic, epigenetic, and other sex-specific factors. Moreover, there are also a number of sex-based differences in the prevalence of developmental disorders, such as […]

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17
Jul

France, UK Elections Indicate Turning Point for Pesticide Regulation on the Global Stage

(Beyond Pesticides, July 17, 2024) National election results in the United Kingdom (UK) and France in recent weeks have shocked the world amidst concerns of a rising tide of right-wing authoritarianism on the eve of European Parliament election results—trending toward what was initially perceived as a conservative majority earlier in June. With new leadership in some of the biggest economies and policy leaders across the Atlantic, environmental and health advocates are hopeful that this will signal a new momentum to advance the mission of transitioning to a fully organic land management and food system that replaces the status quo reliant on toxic petrochemical-based pesticides and fertilizers that exacerbate the climate crisis, biodiversity collapse, and public health fragility. Citizens of the United Kingdom overwhelmingly voted for the center-left Labour Party, which won an unprecedented margin of 291 seats, winning 412 seats out of the 650 total seats up for grabs. The Conservative Party won just 121 seats, a clear rejection of their nearly fifteen-year leadership position in UK politics. UK-based advocates welcome the news given the Labour Party platform to “ban neonicotinoid pesticides imidacloprid, clothianidin, and thiamethoxam due to their impact on bees,” according to reporting by Politico. Neonicotinoids have long […]

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16
Jul

Adding to Similar Findings, Organophosphate Insecticide Linked to Depression and Suicide, Farm to Home

(Beyond Pesticides, July 16, 2024) Yet another study in the August 2024 journal Ecotoxicology and Environmental Safety has found that exposure to organophosphorus pesticides (OPPs) is correlated with increased suicidal thoughts in some people. This study is just the latest in a long line of studies from around the world that have linked pesticide exposure to mental health conditions, including sleep disorders, depression, and suicidal ideation (SI). As the rate of suicide increased by 30% between 2000 and 2020, there is an urgent public health need to investigate and address all potential contributing factors. A 2019 study, covered in Daily News, found that teens and adolescents living in agricultural areas and exposed to organophosphate (OP) insecticides are at higher risk of depression, In July and January this year, other studies link farmer psychiatric episodes to pesticide exposure, adding to the body of science. Exposure to household pesticides is also linked to depression in a 2020 study.   Study and Methodology  The study entitled “Association between exposure to organophosphorus pesticide and suicidal ideation among U.S. adults: A population-based study,” analyzes information on the mental and physical health of over 5,000 individuals aged 20 and up in the United States. The study aims […]

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11
Jul

Dozens of Pesticide Residues, Including Illegal Compounds, Found through BeeNet Project

(Beyond Pesticides, July 11, 2024) Can the health of pollinator hives serve as a nature-based indicator for pesticide residue drift? Researchers in a study published in Science of the Total Environment in June find this to be the case. Through the BeeNet Project, led by the Italian Ministry of Agriculture, Food Sovereignty, and Forestry (MAFSF), researchers detected the presence of 63 different pesticide residues in hives across northern Italy. Of these residues, 15 are not approved for use under European Union (EU) law. Environmental advocates observe the mounting scientific literature on pollinator decline, in part due to the inadequate regulation of toxic petrochemical-based pesticides, as a call to action to push forward land management, agricultural, and climate policy that aligns with organic principles centering on soil health, biodiversity, public health, worker protections, and economic security. Methodology The study is cowritten by a cohort of ten researchers working in the Research Center for Agriculture and Environment in Bologna, Italy—a research institution within the Council for Agricultural Research and Agricultural Economics Analysis (CREA) at MAFSF. Supported by the BeeNet Project (funded by Italian National Fund), BeeNet is a national monitoring project that tracks the health of honey bee and wild bee populations […]

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10
Jul

Neonicotinoid Insecticides Contribute to Honey Bee Vulnerability to Parasitic Varroa Mites

(Beyond Pesticides, July 10, 2024) An article last month in Entomology Today, a publication of the Entomological Society of America, highlights the important findings of a study published earlier this year in the Journal of Insect Science. While there has been debate on whether neonicotinoid (neonic) insecticides or Varroa mites (Varroa destructor) are more detrimental to the survival of bees, evidence suggests that neonicotinoids are not only harmful individually but can increase vulnerability to parasitism from mites in western honey bees (Apis mellifera). The Entomology Today article reads: “Some researchers and organizations have pointed to neonics as directly harming bees. Others have pointed to other issues, like Varroa mite infestation, as more hazardous to honey bee populations.” There is scientific evidence supporting each claim, as both cause stress to bee species that can lead to population decline. The study in the Journal of Science, however, is “the first experimental field demonstration of how neonicotinoid exposure can increase V. destructor populations in honey bees and also demonstrates that colony genetic diversity cannot mitigate the effects of neonicotinoid pesticides.”  As the article states, “The researchers were not looking for impacts on Varroa mites at first. Instead, they were looking to understand how […]

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09
Jul

Pesticide Contaminated Cannabis in California Reveals Testing and Regulatory Failures

(Beyond Pesticides, July 9, 2024) Last month, California cannabis regulators recalled a pesticide-tainted vape, one of the contaminated products identified in a Los Angeles Times investigation. The report reveals that the California Department of Cannabis Control (DCC) has for months been aware of the presence of dangerous chemicals in legal cannabis sold to the public. Conducted by Los Angeles Times and WeedWeek, a cannabis industry newsletter, the investigation has uncovered alarming levels of the insecticide chlorfenapyr in legal cannabis products sold in state dispensaries. According to an article via the National Institutes of Health, “Although [chlorfenapyr] has been identified as a moderately toxic pesticide by the World Health Organization (WHO), the mortality rate of poisoned patients is extremely high. There is no specific antidote for chlorfenapyr poisoning.” The chemical is associated with adverse liver effects and is toxic to bees, birds, and aquatic organisms. Despite claims that the state’s cannabis is safe and regulated, many popular brands of vapes and pre-rolled joints were found to contain dangerous pesticides at levels exceeding state limits and federal standards for tobacco. This investigation comes on the heels of the discovery of large amounts of illegal Chinese pesticides at cannabis grow operations around the state. […]

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08
Jul

Take Action: Elimination of the Insecticide Is Both a Public Health and Ecosystem Issue

(Beyond Pesticides, July 8, 2024) Please submit comments by Wednesday, July 31, 2024. Acephate, an insecticide and member of the highly toxic organophosphate (OP) family, is so toxic that EPA is proposing to ban all uses except the systemic injection into trees. A comment period is open, and EPA is accepting comments through Wednesday, July 31, after extending the earlier July deadline. With this remaining use, EPA is still not recognizing that systemic neonicotinoid pesticides can cause serious environmental harm to the ecosystem through indiscriminate poisoning of organisms. >> Submit a comment on acephate and tell EPA that no pesticide should be allowed to be used if the crop can be produced organically.  EPA proposes to cancel all uses of acephate other than tree injection to eliminate all risks of concern it has identified that exceed its level of concern for dietary/drinking water risk, residential and occupational risks, and risks to non-target organisms. As Beyond Pesticides points out, although the tree injection method does not pose excessive dietary or aggregate health risk and does not pose any untoward occupational or post-application human health risks of concern, there are significant ecological risks posed that the agency has neglected. Rather than assessing the ecological risks of tree […]

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03
Jul

Vermont Leverages New York Limits on Neonic Insecticides with Deference to Chemical-Intensive Agriculture

(Beyond Pesticides, July 3, 2024) In June, the Vermont legislature officially passed H.706 into law – a bill that narrows and reduces the use of neonicotinoid insecticides and neonicotinoid-treated seeds. The legislature came together to override a veto of the bill issued by Governor Phil Scott (R). Gov. Scott said the bill’s language had “the potential to produce severe unintended environmental and economic consequences–—particularly for Vermont’s dairy farmers.” The advocacy in support of the legislation called for a holistic, systems change approach to legislative priorities that considers economic, ecological, public health, and climate resilience. The Vermont legislation builds on New York legislation, which in turn is inspired by Quebec’s “verification of need” prescription model (a.k.a. emergency exemptions) that has proven to dramatically reduce the use of certain neonicotinoids, yet enables the continued use of toxic pesticides and a legacy of pesticide dependency in land management and crop production. Vermont Bill Building on New York The Vermont Bill (See pages 29 to 44 for final text) mirrors the language of New York’s Birds and Bees Protection Act (S. 1856-A and A. 7640) and adopts New York’s language on timing regarding when critical sections go into effect. The Vermont language contains trigger language that […]

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02
Jul

Recent Studies Continue To Highlight Connection Between Depression and Suicide in Pesticide-Exposed Farmers

(Beyond Pesticides, July 2, 2024) Men’s Mental Health Awareness Month, which took place last month, evokes concern about the growing body of science linking pesticide exposure to neurological effects linked to depression. Recent studies reveal elevated rates of psychiatric disorders, including suicide, among farmers, with problems more common for males.  Through systematic reviews, meta-analyses, surveys and interviews, and blood sampling, these three studies add to the growing body of science linking pesticide exposure to neurological impacts. First, in the Journal of Agromedicine, researchers from Greece and the United Kingdom review eight studies and find a significant positive association between pesticide poisoning and depression in agricultural populations.1 Second, a study in Toxicology shows a link between depression in Brazilian farmers and pesticide exposure, most notably with glyphosate usage.2 Third, the latest study in Environmental Toxicology and Pharmacology focuses on work by researchers from Spain in identifying farmers exposed to chlorpyrifos, mancozeb, and malathion that have higher rates of depressive symptoms and suicide attempts.3  Through a meta-analysis of published research, the authors of the Agromedicine journal article identify pesticide poisoning as a risk factor of depression. With depression affecting more than 264 million individuals worldwide, this is a field of interest with […]

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01
Jul

Call for EPA to Reject Harmful Weed Killer; Politicized Supreme Court Takes the Reins from Agencies

(Beyond Pesticides, July 1, 2024) Comments on proposed new dicamba uses are due Friday, July 5 The U.S. Environmental Protection Agency (EPA) is accepting public comments until July 5 on whether it should allow the expanded use of the weed killer dicamba, which has been associated with adverse impacts related to its propensity to drift off of the target application site. The comment period addresses a BASF chemical company proposal for additional food use of a dicamba product on dicamba-tolerant cotton and dicamba-tolerant soybeans. (See Beyond Pesticides’ comments.) This application is similar to Bayer CropScience’s application for XtendiMax®, for which Beyond Pesticides submitted comments in June. The proposed label for BASF’s Engenia® allows for application preplant, at-planting, preemergence, and postemergence (in-crop) for broadleaf weeds. >> Tell EPA to ban use of dicamba and other drift-prone pesticides. The U.S. Supreme Court Reversal This proposal is under consideration on the heels of a U.S. Supreme Court decision on June 28 that reverses a 40-year old decision in Chevron v. Natural Resources Defense Council, which created a deference to federal agencies in the rulemaking process. In the dissent to this 6-3 decision of the court, the dissenters focus on the role of executive […]

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28
Jun

Seeds Coated with Neonicotinoid Insecticides Again Identified as an Important Factor in Butterfly Decline

(Beyond Pesticides, July 28, 2024) Most people don’t like bugs, but the fact is that insects form the foundation of human flourishing, both for their ecosystems services, like pollination of food crops, and for their aesthetic joys. But insect populations globally are declining two to four percent a year, with total losses over 20 years of 30-50 percent, according to a new study of the interacting effects of pesticides, climate, and land use changes on insects’ status in the Midwest. Teasing out the relative influence of these stressors has been a major obstacle in determining the causes of the declines and ways to mitigate them. The icon of insect beauty in the U.S. is the monarch butterfly, whose vibrant coloring, elegant form, and spectacular migrations inspire everyone. Beyond Pesticides has covered the distressing decline of these creatures, most recently in the June 24 Daily News. Monarchs prefer milkweed plants, but also visit many other flowers. Milkweed often grows along the margins of fields, so monarchs are widely exposed to pesticides and habitat disturbances associated with agriculture. The new study was published in PLoS One by a team of scientists from the Washington Department of Fish and Wildlife, Michigan State University, […]

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27
Jun

Biosolid Biohazard: EPA Sued for Failing to Protect Farmers and Public from PFAS-Contaminated Biosolids

(Beyond Pesticides, June 27, 2024) Earlier this month, Public Employees for Environmental Responsibility (PEER) filed a lawsuit against the U.S. Environmental Protection Agency (EPA) on behalf of a group of ranchers and farmers in Texas harmed by biosolids contaminated with per- and polyfluoroalkyl substances (PFAS). The plaintiffs charge that their health and livelihoods were severely damaged due to contaminated biosolids leaching from neighboring properties onto their land. Despite EPA’s responsibility under the Clean Water Act (Section 405(d) and 40 CFR Part 503) to identify toxic pollutants in biosolids and regulate them to protect human health and the environment, the agency has not effectively addressed the dangers posed by PFAS in biosolid fertilizers. EPA’s failure has dramatic impacts on farmers as well as the public, who are eating or drinking PFAS-contaminated crops, dairy milk, beef, or other meat products. The shortcomings of federal regulations underscore the urgent need for a shift in how federal and state agencies approach these issues, prioritizing precaution to prevent future harm. The persistence of these legacy or “forever” chemicals in the environment illustrates the severe consequences of a historically lax regulatory framework in the U.S.  The National Association of State Departments of Agriculture (NASDA) has identified […]

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24
Jun

Pollinator Week Ends; Pollinator Decline and Biodiversity Collapse Continue with Inadequate Restrictions

(Beyond Pesticides, June 24, 2024) National Pollinator Week ended last week, but the crisis associated with pollinator decline and biodiversity collapse continues. If there were not enough data to prove that regulators are woefully behind the curve in protecting pollinators, yet another study was published during Pollinator Week that reminded regulators, elected officials, farmers, gardeners, all eaters, and lovers of nature that federal, state, and local environmental laws in place have been an abject and unconscionable failure in protecting the biodiversity that supports all life. The study, “Insecticides, more than herbicides, land use, and climate, are associated with declines in butterfly species richness and abundance in the American Midwest,” published in PLOS ONE, cries out as a further warning that the U.S. Environmental Protection Agency’s (EPA) “mitigation measures,” which tinker with limited pesticide restrictions, represent a catastrophic disregard for the scientifically documented facts, according to environmental advocates. Daily News will cover this study in more detail in a later piece, however, the abstract of the journal piece is worth reprinting here in reflecting on Pollinator Week: “Mounting evidence shows overall insect abundances are in decline globally. Habitat loss, climate change, and pesticides have all been implicated, but their relative effects […]

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21
Jun

Literature Review Analyzes Pesticide Sensitivity in Bee Species on a Molecular Level

(Beyond Pesticides, June 21, 2024) A recent review of the scientific literature, published in Science of The Total Environment, analyzes multiple species of bees on a molecular level to better understand the poisoning mechanisms that could, as the authors see it, inform chemical risk assessments with more precision. The mechanisms “implicated in the tolerance of bees to specific pesticides, and thus as determinants of insecticide sensitivity, … include metabolic detoxification, insecticide target proteins, the insect cuticle and bee gut microbiota,” the authors write. This review references more than 90 studies performed over the last 30+ years, with most being published in the last 5-10 years, as the understanding and importance of molecular determinants of bee sensitivity has emerged. Pollinators, such as bees, provide crucial ecosystem services by pollinating both wild plants and essential crops. The exposure these insects are subjected to threatens their existence, which occurs through pesticide contamination that can lead to impacts on growth and development or even colony collapse.    “While bees have only been exposed to human-made pesticides over the recent past (last 80 years) they have co-evolved with plants and fungi which produce a range of xenobiotics, including plant allelochemicals and mycotoxins,” the authors state. […]

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14
Jun

Report Finds Industry Influences Academic Society of Entomologists, Squelches Bee-Toxic Pesticide Science

(Beyond Pesticides, June 14, 2024) The influence of the chemical industry over public policy and regulation, especially in agriculture, is glaringly obvious and has little popular support, yet no one can seem to do anything about it. Numerous analyses have detailed the ways this influence is applied—through lobbying and political donations including dark money; industry experts named to regulatory agency scientific advisory boards; and the massive public relations machines that create and sustain public uncertainty using the tobacco industry playbook revealed by Naomi Oreskes and Erik Conway in their 2010 book Merchants of Doubt. A more insidious tendril of industry influence is explained in U.S. Right to Know’s (USRTK) report, released this month, on pesticide manufacturers’ infiltration of the Entomological Society of America (ESA). The report, “Anatomy of a science meeting: How controversial pesticide research all but vanished from a major conference,” examines the ESA’s 2023 annual meeting—its program, sponsorships, presentations, panelists, poster sessions, meet-and-greets, budget, revenue sources, and other aspects of the event. What is revealed is a systematic and comprehensive industry presence throughout the society and its meeting. A direct consequence is the near-elimination of any scientific presentations addressing the effects of neonicotinoid pesticides on insects, particularly bees. […]

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13
Jun

Study Confirms Serious Flaws in EPA’s Ecological Risk Assessments, Threatening Bees and Other Pollinators

(Beyond Pesticides, June 13, 2024) A study published in Conservation Letters, a journal of the Society for Conservation Biology, exposes critical shortcomings in the U.S. Environmental Protection Agency’s (EPA) ecological risk assessment (ERA) process for modeling the risks that pesticides pose to bees and other pollinators. For the study, “Risk assessments underestimate threat of pesticides to wild bees,” researchers conducted a meta-analysis of toxicity data in EPA’s ECOTOX knowledgebase (ECOTOX), an EPA-hosted, publicly available resource with information on adverse effects of single chemical stressors to certain aquatic and terrestrial species. The meta-analysis found that the agency’s approach, which relies heavily on honey bee data from controlled laboratory studies, drastically underestimates the real-world threats from neonicotinoid insecticides (and likely other pesticides) to native bees and other pollinators. The study “challenges the reliability of surrogate species as predictors when extrapolating pesticide toxicity data to wild pollinators and recommends solutions to address the (a)biotic interactions occurring in nature that make such extrapolations unreliable in the ERA process.” Beyond Pesticides executive director Jay Feldman remarked, “EPA’s ecological risk assessment process is fundamentally flawed and puts thousands of bee species at risk of pesticide-caused population declines and extinctions.” Mr. Feldman continued, “This underscores the urgent […]

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12
Jun

Pesticide-Contaminated Algae Found to Jeopardize Ecosystems and Human Well-Being [Study]

(Beyond Pesticides, June 12, 2024) A study of pesticide contaminated algae finds that the disruption of algal communities has a devastating effect on the health of the aquatic food web. The study findings show that contact with pesticides can result in changes to “algal physiology, causing tissue injury, developmental delay, genotoxicity, procreative disruption, and tissue biomagnification” that alters the dominance of algae species in the environment. This in turn “can impact higher trophic levels and have a domino effect on the aquatic food web. It is possible for biodiversity to disappear, reducing ecosystem stability and resistance to environmental alterations,” the authors state. The study, a worldwide literature review conducted by researchers from India, South Korea, and Saudi Arabia, appears in Aquatic Toxicology.  The health of aquatic ecosystems is at risk with indirect effects on nontarget species from pesticides in the environment. This includes impacts on species of fish, invertebrates, microbial communities, and marine mammals. In explaining the importance of extensively studying effects of pesticides, the researchers note, “Different pesticide classes have different chemical structures, which define their modes of action and affect how they interact with both target and nontarget organisms.” Because of this, the range of effects seen from […]

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11
Jun

Literature Review Compiles Decades of Research Finding Linkage to Pesticide Exposure and Breast Cancer

(Beyond Pesticides, June 11, 2024) Published in Science of The Total Environment in May, a comprehensive literature review of population-based studies finds strong linkages between direct and acute pesticide exposure and elevated risk of breast cancer (BC). A majority of the studies analyzed in this review were based on population groups in the United States, but also extends to Australia and three European countries (Greece, France, and Italy). Included in these studies are women who worked in chemical-intensive agricultural settings, directly sprayed pesticides in their at-home gardens, and/or handled pesticide-contaminated clothing. The findings in this literature review underscore organic advocates’ concerns of relying on pesticide substitution models that inevitably impact the health of land stewards, farmers, farmworkers, and the broader public rather than transforming food systems to an organic model that bans the use of toxic petrochemical-based pesticides. The goal of this review was to synthesize existing literature on pesticide exposure and breast cancer to determine the specific pathways and underlying mechanisms that contribute to female participants’ heightened risk. This literature review was published online by researchers at the University of Arizona’s R. Ken Coit College of Pharmacy and Coit Center for Longevity and Neurotherapeutics and the Laboratory of Tumor […]

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