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Commentary: Moving Beyond Pesticides Toward an Organic Future

Friday, May 2nd, 2025

* This article was cross-posted with permission from the Ecological Landscape Alliance, which was originally published on May 1, 2025.  (Beyond Pesticides, May 2, 2025) With the current existential health, biodiversity, and climate threats, organic land management is a bright spot for the sustainable future envisioned by Beyond Pesticides. Founded in 1981, Beyond Pesticides began tracking the science of pesticide hazards and questioning dependency on toxic, fossil fuel-based pesticides as unnecessary to achieving effective land management, both in agricultural and nonagricultural contexts. The organization, which grew out of a series of site visits and field hearings to document the limitations of labor standards necessary to protect farmworkers, was created to bring together environmentalists, public health practitioners, farmers, land managers, farmworkers, and consumers.  Nearly a decade before its founding and less than 20 years after the publication of Silent Spring, many important laws governing clean air, water, food safety, and pesticides had been adopted. However, these statutes’ focus on mitigating risks of harm to health and the environment has fallen short, according to Beyond Pesticides. Instead, the organization pursues a precautionary approach that is codified in organic standards that grow out of the Organic Foods Production Act, a law it helped to […]

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Study Finds Synergistic Convergence of Global Warming, Pesticide Toxicity, and Antibiotic Resistance

Thursday, May 1st, 2025

(Beyond Pesticides, May 1, 2025) Pesticides by themselves are a grave threat to global health. As is global warming. As is antibiotic resistance. Each of these problems has to be analyzed in its own silo to reveal the mechanisms driving its dynamics. But eventually, it must be acknowledged that they actually converge. A common soil arthropod has clearly illustrated how this convergence creates synergistic effects: warming increases pesticide toxicity; pesticide toxicity triggers antibiotic resistance; antibiotic resistance spreads through horizontal gene transfer (movement through the environment to people) and predation. The consequences, not yet fully understood, are nevertheless emerging from accumulating research. A study published in the Journal of Hazardous Materials by scientists at six Chinese universities and research centers examines the convergence in springtails (Folsomia candida)—tiny insect-like animals that live in soils worldwide and are commonly used as laboratory subjects. The researchers exposed springtails to the neonicotinoid insecticide imidacloprid at three concentrations and three temperatures. In addition to measuring the springtails’ direct mortality, the researchers also investigated the microbes in the animals’ guts, checking for expression of genes involved in antibiotic resistance. The evidence is unequivocal: imidacloprid exposure at a soil temperature consistent with current and expected warming (30°C, or […]

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Male Fertility and Reproduction in Bee Species Threatened with Systemic Insecticide Exposure, Study Finds

Friday, April 25th, 2025

(Beyond Pesticides, April 25, 2025) A novel study in Chemosphere finds impacts on male fertility in a bee species (Osmia bicornis) with exposure to sulfoxaflor, a systemic sulfoximine insecticide with similar mechanisms to neonicotinoids. “For the first time, we demonstrate that short-term chronic, field-realistic exposure to a common pesticide reduced pre-copulatory display (36%) and sounds (27%) [courtship behaviors], increased the number of copulations (+110%) and the mating duration (+166%), while finally reducing sperm quantity (25%) and mating success (43%),” the researchers report. They continue, “Our research raises considerable concern on the impact of field-realistic, low sublethal pesticide levels on the fertility and reproductive success of pollinators.” Mating behaviors and the ability to successfully reproduce determines the survival of species. As the authors state: “Mating disorders may therefore contribute to the recent decline in insect and pollinators’ health worldwide. While the impact of pesticides on pollinators is widely considered as a driving factor for reducing pollinators’ health, their effect on mating behaviour and male fertility remains widely overlooked.” The red mason bee (O. bicornis) can “provide essential pollination service for both crops and wild plants sustaining food production and biodiversity while serving as a bioindicator of environmental health.” The abundance and […]

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Findings Show Endocrine-Disrupting Glyphosate Weed Killer Threatens Women’s Reproductive Health

Thursday, April 17th, 2025

(Beyond Pesticides, April 17, 2025) A literature review in Reproductive Sciences finds glyphosate (GLY) and glyphosate-based herbicides (GBH) impact women’s reproductive health, adding to the long list of documented harm from this widely used weed killer. The authors note, “Considering the widespread use of GLY, the controversy regarding its endocrine-disrupting potential and reproductive toxicity, and the innumerable lawsuits filed against Bayer and Monsanto by consumers for morbidities related to Roundup™ exposure, the purpose of this review is to summarize the current literature on the potential adverse effects of GLY and GBHs on the female reproductive tract and discuss possible clinical implications on reproductive health outcomes, including polycystic ovarian syndrome (PCOS), endometriosis, and female fertility.”  Glyphosate and aminomethylphosphonic acid (AMPA), the primary metabolite (breakdown product) of GLY, are found throughout the environment in soil and water, as well as in samples of blood, urine, seminal plasma, and breast milk. Studies have detected residues in farmworkers, as well as “in the urine of 60–80% of the general public in the USA, including pregnant women and children.” (See studies here, here, and here.) The ubiquitous use of GLY and GBH, and subsequent persistence, threatens the health and well-being of all.  Previous studies have […]

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Indiscriminate Poisoning of Neonicotinoid Insecticides Contributes to Insect Apocalypse, Study Finds

Tuesday, April 15th, 2025

(Beyond Pesticides, April 15, 2025) A study in Communications Earth & Environment, through field, greenhouse, and laboratory experiments involving three plant bug species, finds both species-specific and sex-specific sensitivity responses to neonicotinoid insecticide exposure—highlighting the threats to grassland insect communities that are disregarded in risk assessments. By assessing the effects of Mospilan®SG, with the active ingredient acetamiprid, the researchers determine that nontarget plant bug species are highly sensitive to neonicotinoids and face community-level harm with exposure. As systemic insecticides, neonicotinoids move through the vascular system of plants, expressing the poison through pollen, nectar, and guttation droplets. As persistent pesticides, these chemicals indiscriminately poison insects and organisms in the soil. “Although pesticides have been proposed as one of the main causes of insect decline, there are still few studies assessing their effects on non-target species under field conditions,” the authors state. They continue: “In this study, we address the existing research gap on insecticide exposure of non-target herbivorous insects, focusing on two main aspects: (1) realistic exposure scenarios, (2) community-level effects, i.e., differential sensitivity between closely related species and between sexes of the same species. We chose plant bugs (Heteroptera: Miridae) as a model group because they are one of the […]

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Historical Programs To Address Environmental Justice Being Undone by Trump Administration

Wednesday, April 9th, 2025

(Beyond Pesticides, April 9, 2025) On March 12, 2025, the U.S. Environmental Protection Agency (EPA) Administrator Lee Zeldin announced the agency would be shutting down the Environmental Justice and Diversity, Equity, and Inclusion (DEI) offices and staff at ten of the regional offices and the headquarters in Washington, D.C. Administrator Zeldin declared that this move implemented President Donald Trump’s Executive Order, “Ending Radical and Wasteful Government DEI Programs and Preferencing.” In response to this decision, ten Democratic U.S. Senators—led by Senator Alex Padilla (D-CA) and including Senators Richard Blumenthal (D-CT), Cory Booker (D-NJ), Tammy Duckworth (D-IL), Edward J. Markey (D-MA), Jeff Merkley (D-OR), Bernie Sanders (I-VT), Adam Schiff (D-CA), Chris Van Hollen (D-MD), Sheldon Whitehouse (D-RI), and Ron Wyden (D-OR)—co-sponsored the Empowering and Enforcing Environmental Justice Act of 2025 to Congress that would codify funding for environmental justice offices in the Department of Justice. (See Sen. Padilla’s press release here.) Senators Duckworth and Booker—founding co-chairs of the Senate Environmental Justice Caucus—also issued the following statement: “Underserved communities in rural, urban and tribal areas already shoulder the brunt of the climate crisis and environmental injustice. These cuts and reversals will make it even harder for these communities to address some of […]

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Literature Review of Over 200 Studies Highlights Pesticide Threats to Women’s Reproductive Health

Tuesday, April 8th, 2025

(Beyond Pesticides, April 8, 2025) A comprehensive literature review in Environment & Health analyzes evidence from human biomonitoring, epidemiological studies, and toxicological studies that link adverse effects on women’s reproductive health, specifically impacting the ovary, to pesticide exposure. In examining the scientific literature, consisting of over 200 studies performed in the last 25 years, the authors find pesticide exposure threatens women’s health through ovarian dysfunction. “Epidemiological studies have shown that pesticide exposures are associated with early/delayed menarche [first occurrence of menstruation], menstrual cycle disorders, early menopause, long time to pregnancy, polycystic ovary syndrome, primary ovarian insufficiency, infertility, and implantation failure in women,” the researchers state. They continue, “Both in vivo [in animals] and in vitro [in cells] studies have shown that exposure to pesticides disrupts the estrous cycle, reduces the follicle pool, alters hormone levels, and impairs oocyte [egg] maturation.” These reproductive implications are noted with many different classes of pesticides, such as insecticides, including organochlorine pesticides (OCPs), organophosphates (OPs), pyrethroids, and neonicotinoids, as well as herbicides and fungicides. The authors, however, comment on present research gaps: “Much of the available epidemiological evidence focuses on legacy insecticides, such as OCPs, and a subset of insecticides that are still in use […]

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Study Finds Reproductive System Effects in Adolescents with Prenatal Pesticide Exposure

Wednesday, April 2nd, 2025

(Beyond Pesticides, April 2, 2025) In examining prenatal residential proximity of documented pesticide spraying in California to the menstrual cycle characteristics of 273 Latina adolescents, researchers report in the American Journal of Epidemiology a positive association between exposure to the insecticide methomyl and heavy bleeding. Other pesticides appear to influence menstrual symptoms as well. “Adolescents’ menstrual cycle characteristics can be â€vital signs’ of health and impact quality of life,” the authors share. They continue, “To our knowledge, this is the first study to examine the association between prenatal pesticide exposure and menstrual outcomes in adolescents of any demographic group.” Menstrual cycle characteristics, such as dysmenorrhea (painful or uncomfortable menstrual cramps), irregularity, and heavy menstrual bleeding, can also be indicators of underlying health conditions, including endometriosis, polycystic ovary syndrome (PCOS), thyroid dysfunction, and bleeding disorders. By associating the pesticide exposure of mothers during pregnancy to impacts on their children, the researchers highlight important health risks for women and young girls that are often disregarded. “The prenatal period is a critical period of reproductive development that may be particularly sensitive to endocrine disruption,” the researchers share. As previously reported by Beyond Pesticides, endocrine-disrupting chemicals are any synthetic or natural compounds that hinder […]

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Action Seeks to Address Findings of Serious Bird Declines with Organic Land Management

Monday, March 31st, 2025

(Beyond Pesticides, March 31, 2025) This week, Beyond Pesticides is urging the public to contact their Governor and local officials to respond to a new report on the serious decline of bird populations by eliminating the use of toxic pesticides in the management of state and local public property. The latest study on bird declines is the 2025 edition of the State of the Birds report, written by scientists in the U.S. Committee of the North American Bird Conservation Initiative (NABCI), a forum of government agencies, private organizations, and bird initiatives. The study finds “[s]obering evidence that America’s birds continue to decline across the board.” Furthermore, the report says: “Birds are telling us that the habitats people depend on are vanishing. Declines are happening across the board: in grasslands, aridlands, western and eastern forests, in Hawaii’s fragile ecosystems; and with our shorebirds and seabirds. Even waterfowl, which had rebounded strongly thanks to decades of conservation work, are seeing sharp recent declines.”  >> Tell your governor and mayor to protect birds by adopting policies that support organic land management.  Not only are bird species important for preserving biodiversity, but many species provide ecosystem services such as pollination and mosquito management. The protection of birds and their habitats allows […]

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Sampling Finds Pesticides Throughout Environment with Toxic Mixtures from Agricultural Use

Friday, March 28th, 2025

(Beyond Pesticides, March 28, 2025) The Rhine Valley in southwestern Germany is renowned for the agricultural bounty it has provided for centuries. Today, the area is home to dense wine, vegetable, fruit, and cereal cultivation. However, a study shows that current regulation of pesticides, even in the relatively progressive European Union, is inadequate to protect humans and all the other organisms that produce the environment necessary for human life and civilization.  The study goal was to determine how far—and which—pesticides traveled beyond the croplands of vegetables, fruit orchards, and cereals, as well forested lands, into nontarget areas that should serve as refugia for plants, animals, and invertebrates not considered pests. Based at the Landau Institute for Environmental Sciences at the University of Kaiserslautern-Landau, the researchers used innovative methods to measure the types, concentrations, and distribution of pesticides. They took samples from three landscape categories—vegetation, topsoil, and surface water—at 78 sites distributed along six transects, each reaching from the valley floor to the tops of the mountains on either side. Samples were taken from grasses, shrub leaves, and topsoils along each transect, together with water samples from rivers, small streams, ponds, and puddles. They tested for 93 current-use pesticides (CUPs). There […]

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Flying Through States, Industry Seeks To Stop Lawsuits Over Failure to Warn of Pesticide Dangers

Wednesday, March 26th, 2025

(Beyond Pesticides, March 26, 2025) State legislation to quash lawsuits against chemical manufacturers because of their “failure to warn” about the hazards of their pesticide products is moving forward in seven state legislatures (Iowa, Missouri, Idaho, Florida, North Dakota, Tennessee, and Oklahoma) across the United States. After three bills failed to pass (Mississippi, Wyoming, and Montana) and one bill is awaiting signature into law by the Governor’s Office (Georgia), Beyond Pesticides, working with a broad coalition, is pushing back. (See Beyond Pesticides’ Failure to Warn resource hub, background materials, and opportunities for action.) If adopted, the “immunity from litigation” legislation would set a dangerous precedent for state common law claims against any manufacturers of products with toxic ingredients. Currently, pesticide labels under federal and state law generally do not warn of potential chronic effects, such as cancer, reproductive effects, infertility, birth defects, Alzheimer’s and Parkinson’s disease, diabetes, cardiovascular damage, and more (see Pesticide-Induced Diseases Database), but warn of acute effects, such as rashes, headaches, stinging eyes, and more. After years of large jury awards, preemptive settlements, and lost appeals in cases involving exposure to the weedkiller glyphosate, Bayer/Monsanto is trying to stop the company’s financial hemorrhaging with a state-by-state strategy […]

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Latest State of the Birds Report Highlights Population Declines Indicative of Deteriorating Ecosystem Health

Thursday, March 20th, 2025

(Beyond Pesticides, March 20, 2025) An article, published by the National Audubon Society, titled “A Sweeping New Report Shows U.S. Birds Declining Sharply Across a Range of Habitats” reviews the latest State of the Birds 2025 report and finds concerning news for bird species across the country. As the article says: “Whether they hop around the prairie, dabble in wetlands, flit through forests, or forage along the shore, birds are suffering rapid population declines across the United States… If these habitats are struggling to support bird species, it’s a sign that they’re not healthy for other wildlife, or even humans—but working to restore them will have benefits across ecosystems.” The 2025 edition of the State of the Birds report, showcasing a status assessment of the health of the nation’s bird populations, was cultivated by scientists from bird conservation groups through the U.S. Committee of the North American Bird Conservation Initiative (NABCI). The report notes, “Despite ample evidence that conservation can work, the status quo approach to conservation is not turning bird populations around.” As NABCI shares, the report contains “[s]obering evidence that America’s birds continue to decline across the board.” They continue, saying: “Birds are telling us that the habitats […]

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Catastrophic Harm to Women from Pesticides Drives Call for Their Elimination

Monday, March 10th, 2025

(Beyond Pesticides, March 10, 2025) Following International Women’s Day, celebrated on March 8, 2025, the poignant findings on women, gender, and hazardous substances in a United Nations report raise critical issues of concern and cause for urgent action to phase out petrochemicals. The Report of the Special Rapporteur on the implications for human rights of the environmentally sound management and disposal of hazardous substances and wastes, by Marcos Orellana, was delivered to the 79th Session of the United Nations General Assembly in July 2024. Excerpts from the report follow: “Women make up roughly 60 to 70 per cent of the agricultural labour force in developing countries where pesticides and pesticide handling are especially poorly regulated. In Zambia, for example, two thirds of the labour force is engaged in agriculture, and 78 per cent are women farmers and peasants. Women there play a significant role in pesticide application, often without any or adequate personal protective equipment, especially during activities such as weeding, harvesting, and washing pesticide-laden clothes.” “In higher-income countries, women who do agricultural work are often poor and/or migrants; pesticides are one of many dimensions of marginalization and damage to their well-being. The European agriculture sector uses many seasonal and […]

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On International Women’s Day, Pesticide Risks to Women’s Health Call for Urgent Transition to Organic

Friday, March 7th, 2025

(Beyond Pesticides, March 7, 2025) In honor of International Women’s Day on Saturday, March 8, 2025, Beyond Pesticides sheds light on the disproportionate risks to women from toxic chemicals that are often unaccounted for and even dismissed throughout pesticide regulatory review and the underlying statutes. In a roundup of Daily News coverage in 2024, as well as the most recent scientific studies in 2025, on the scientific links between pesticide exposure and adverse effects in women, this article highlights the growing inequities in pesticide threats to women’s health.  Women farmers and farmworkers are particularly excluded when assessing pesticide risks. As previously reported by Beyond Pesticides, a study published in Occupational and Environmental Medicine finds that pesticide exposure, especially during puberty, can play a role in ovarian cancer development among female farmers. Although there are many studies that evaluate the risk for cancers among farmers, very few scientific articles cover the risk of ovarian cancer from pesticide exposure.  Additionally, this study suggests the role of hormones in ovarian cancer prognosis and development, highlighting an association with endocrine disruption. Endocrine disruption can lead to numerous health problems in multiple organ systems, including hormone-related cancer development (e.g., thyroid, breast, ovarian, prostate, testicular), reproductive […]

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Public and City Council Protect Organic Land Management Ordinance Against Weakening Amendment

Thursday, March 6th, 2025

(Beyond Pesticides, March 6, 2025) A proposed change to a model pesticide ordinance in the city of Portland, Maine was soundly defeated on Monday, March 3 after public engagement and a near-unanimous city council vote. In a 6-1 vote, the council rejected the school district’s request for a waiver under the city’s pesticide use ordinance to use the insecticide chlorantraniliprole/acelepryn (diamide insecticide). A campaign to reject the waiver was led by Avery Yale Kamila, cofounder of Portland Protectors, and supported by Beyond Pesticides. Portland passed a landmark Pesticide Use Ordinance in 2018 and a synthetic fertilizer ban over five years later. As stated in Beyond Pesticides testimony to the council, “Key to [the Portland ordinance’s] passage was an understanding that Portland was not going to take a product substitution approach to land management, replacing a toxic pesticide with an “organic” pesticide, but that it was facilitating the adoption of an organic systems approach that used allowed inputs (defined in the ordinance) when necessary.” The ordinance refers to allowed materials under federal organic certification law. The Landcare Advisory Committee, created by Portland’s ordinance, recommended the toxic pesticide use waiver with some objections, raising questions among city council members about the need […]

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Children Exposed to Pesticides Experience “Cellular Distress” and Chronic/Acute Diseases, Study Finds

Friday, February 28th, 2025

(Beyond Pesticides, February 28, 2025) It is well established that children are more vulnerable than adults to environmental insults such as pesticides, from conception onward. Children living in agricultural areas are exposed differently from those in urban areas. A study of rural children by researchers at Mexico’s Universidad AtĂłnoma de Nayarit compared two communities located less than a quarter of a mile from agricultural fields with one control community located more than a mile away. The study shows that children in the field-adjacent towns are clearly exposed to pesticides and are experiencing cellular distress as a result. The state of Nayarit is on the west coast of Mexico near Mazatlan. Rural children encounter aerial application, spray drift, and erosion. If their parents are agricultural workers and especially if they apply pesticides, they bring home residues on their clothes. Residential storage of pesticides and small children’s propensity to play in the dirt and put things in their mouths exacerbate their exposure. Urban children get hit by pesticides in their homes, schools, and parks. The researchers took blood and urine samples from 431 children aged six to 12 and collected questionnaires as to pesticide exposures from the parents or guardians. They assayed the […]

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Microplastics Interact with Pesticides, Exacerbating Environmental Health Threats, Studies Find

Tuesday, February 25th, 2025

(Beyond Pesticides, February 25, 2025) A literature review of over 90 scientific articles in Agriculture documents microplastics’ (MPs) increase in the bioavailability, persistence, and toxicity of pesticides used in agriculture. The interactions between MPs and pesticides enhance the threat of pesticide exposure to nontarget organisms, perpetuates the cycle of toxic chemical use, and decreases soil health that is vital for productivity. “The increasing presence of MPs in agricultural ecosystems has raised concerns about their impact on pesticide bioavailability, efficacy, and environmental behavior,” says study author Kuok Ho Daniel Tang, PhD, a global professor in the Department of Environmental Science at the University of Arizona. He continues, “These synthetic particles interact with pesticides through adsorption and desorption processes, altering their distribution, persistence, toxicity, and uptake by plants and other organisms.” Microplastics in the Environment As Beyond Pesticides has previously reported, microplastics are ubiquitous and threaten not only human health but all wildlife in both aquatic and terrestrial ecosystems. The universal distribution of plastics means that they cannot be avoided. Humans and other organisms take up plastics in the form of microparticles and nanoparticles by inhalation, ingestion, and skin contact every day. Microplastics are about the width of a human hair; nanoplastics […]

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Trump Administration’s Dismantling of Federal Environmental and Public Health Programs Shifts Focus to States

Monday, February 24th, 2025

(Beyond Pesticides, February 24, 2025) The sweeping firing of federal workers, including an estimated 200,000 probationary employees (under one to two years of employment), will have a broad impact on programs to protect health and safety as well as the environment, leaving a critical need for local and state government to fill some of the gaps in critical programs, where possible. A headline in Science magazine warns, “Mass firings decimate U.S. science agencies,” and the dean of the College of Agricultural Sciences at Oregon State University told Oregon Public Broadcasting, “We’ve lost half of our teams, and all of these up-and-coming young scientists. . .so it’s like we’ve lost the next generation of scientists in agriculture and natural resources.” The same applies to important positions across the federal government, affecting every aspect of work necessary to protect public health and biodiversity and address the climate crisis. In response to President Trump’s executive orders and actions, there has been, as The New York Times reports, “new lawsuits and fresh rulings emerging day and night,” raising what experts fear may become a constitutional crisis. With the upheaval in the federal government, attention turns to the importance of state and local policies and […]

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Exposure to Glyphosate Herbicide Adversely Affects Perinatal Health, Study Finds

Thursday, February 20th, 2025

(Beyond Pesticides, February 20, 2025) Researchers at the University of Oregon found that the rollout of genetically engineered corn in the early 2000s, followed by exponential increases in glyphosate-based herbicides, “caused previously undocumented and unequal health costs for rural U.S. communities over the last 20 years.” Their results “suggest the introduction of GM [genetically modified] seeds and glyphosate significantly reduced average birthweight and gestational length.” The conclusions of this study emerge as fossil fuel advocates, including President Donald Trump, are mobilizing to pioneer “energy dominance” despite the market movement toward renewable energy. Just as chemical-intensive farmers and land managers continue to spray synthetic fertilizers and pesticides, a successful rollout of alternatives must rely on feeding the soil rather than the plant. Advocates continue to demand that elected officials and regulators embody the precautionary principle and scientific integrity in decision-making. Given the hostile federal climate on anything relating to holistic solutions, communities are coming together to move beyond input-dependent land management systems and adopt organic criteria of allowed and prohibited substances, mandatory public comment process, independent third-party certification, and a federal advisory board (National Organic Standards Board) consisting of farmers, environmentalists, consumers, scientists, economists, researchers, and other stakeholders, with binding recommendations […]

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Love Your Heart This Valentine’s Day by Following the Science on Pesticides

Friday, February 14th, 2025

(Beyond Pesticides, February 14, 2025) A study in the European Journal of Preventive Cardiology finds that organic food consumption lowers the risk of developing atherosclerotic cardiovascular disease (ASCVD). Heart health is important not just on Valentine’s Day, but every day. While celebrating with friends and family, consider spreading love in ways that promote long-term health and wellness with an organic meal paired with organic flowers and chocolates. Eliminating exposure to petrochemical pesticides and synthetic fertilizers, such as with an organic diet, mitigates disease risks including brain and nervous system disorders, cancer, endocrine disruption, and cardiovascular disease (CVD). In this latest study, the scientists and doctors analyze registered diagnoses of ASCVD from the Danish National Patient Register in comparison with the diets of a cohort of middle-aged women and men from the Danish Diet, Cancer and Health study. The eligible study participants, including 41,407 men and women of which 5,365 developed ASCVD, filled in a detailed 192-item food frequency questionnaire and a lifestyle questionnaire on their consumption of organic vegetables, fruit, dairy products, eggs, meat, and bread and cereal products. The authors report that the results show overall organic food consumption is associated with a 6% lower incidence rate of ASCVD. […]

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Study Finds Increased Offspring Mortality in Pesticide-Laden Bird’s Nests

Tuesday, February 11th, 2025

(Beyond Pesticides, February 11, 2025) In a Science of The Total Environment study, scientists test over 100 blue tit (Cyanistes caeruleus) and great tit (Parus major) birds’ nests for pesticide residues in comparison with the number of dead offspring and unhatched eggs within the nest. Fur-lined nests, from animals treated with ectoparasitic chemicals, expose birds to compounds that can impact reproductive success. The authors found fipronil, a phenyl pyrazole insecticide, in all nests, with the majority also containing the neonicotinoid insecticide imidacloprid and synthetic pyrethroid insecticide permethrin. The data shows higher insecticide levels are linked to increased offspring mortality and threaten biodiversity. This study highlights an important exposure route that is overlooked. “Although not all bird species use fur for nest building, a substantial number do, especially cavity-nesting species,” the researchers share. “Previous research found that 74% of studied woodland bird species in central Europe incorporated fur into their nests.” Many bird species in the U.S. also line their nests with fur, such as black-capped chickadees, tufted titmice, and chipping sparrows. While there is a wide body of science showing reproductive effects from pesticides, the researchers highlight the study’s novel design, saying, “To the best of our knowledge, no previous […]

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Neonic Insecticide Impairs/Kills Beetle Listed as Threatened and Important to Ecosystem Health, But Not Protected

Wednesday, February 5th, 2025

(Beyond Pesticides, February 5, 2025) A study in PLOS One finds acute and chronic impacts of nontarget toxicity on the American burying beetle, Nicrophorus americanus, with neonicotinoid insecticide exposure. In assessing environmentally relevant concentrations of the neonicotinoid insecticide imidacloprid with N. americanus, the researchers note both mortality and behavioral effects that leave the species at high risk of predation. These effects mean the American burying beetle “may be at greater risk to insecticide exposure than previously thought and vulnerable to episodic, low-dose neonicotinoid exposure,” the authors say. This data sheds important light on a species that has been listed by the U.S. Fish and Wildlife Service (USFWS) as threatened. Burying beetles provide important ecosystem services within the environment such as “burying carrion, increasing available nutrients in soil, and expediting carrion decomposition, while acting as a food source for secondary consumers,” the researchers state. (See more on ecosystem services and beneficial insects here, here, and here.) The N. americanus species are habitat generalists and can be found in grasslands, wet meadows, and forested areas that neighbor agricultural lands and introduce the beetles to pesticide drift and soil residues. While acute and chronic effects vary in duration and severity, pesticide exposure resulting […]

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Study Demonstrates Health Benefits of Organic Diet Over That Consumed with Toxic Pesticides

Tuesday, February 4th, 2025

(Beyond Pesticides, February 4, 2025) Adopting a fully organic diet can reduce pesticide levels in urine within just two weeks “by an average of 98.6%” and facilitate faster DNA damage repair relative to a diet of food grown with chemical-intensive practices, according to findings from a randomized clinical trial published in Nutrire. The authors explain that their finding “is likely due to two main factors: the presence of compounds characteristic of [an organic] diet, which may have high levels of antioxidants that can protect DNA and also induce DNA repair [], and the absence or decrease in the incidence of pesticides in this type of diet, which are recognized for their genotoxic effects and have the ability to affect the genetic repair system of organisms [].” Public health professionals and affected families continue to sound the alarm on the unprecedented rates of chronic illnesses, many linked to pesticide exposure, as well as the urgency in developing solutions that acknowledge the connection to policies governing agriculture, nutrition policies, and public health. Background and Methodology The purpose of this study is to identify any relationships in health effects of chemical-intensive versus organic diets in a two week-period. More specifically, the authors say […]

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