Beyond Pesticides Daily News Blog

Adding to Wide Body of Science, Study Finds Pesticide Residues in Honey Bee Colonies Cause Acute Mortality

Beyond Pesticides — Thu, 11 Jun 2026 04:01:06 +0000

(Beyond Pesticides, June 11, 2026) A study of honey bee colonies in Florida and California, published in Environmental Toxicology and Pharmacology, finds elevated mortality from pesticide residues, including those that have been documented to threaten pollinators. As the authors describe, “While bees die from multiple, often interacting, stressors, here we show single contributors at levels capable of causing acute harm.” The presence of miticides, fungicides, herbicides, and insecticides within the bee colonies, including in the bodies of dying bees, further highlights pesticides as drivers of bee declines. By sampling both dying bees and in-house bees for chemical residues, the researchers are able to compare symptomatic colonies and control colonies. The authors note, “Our findings differ from previous screenings, which cast a broad net, screening agrochemicals in colonies nationwide, and not necessarily from impacted operations.” This study, however, shows the presence of specific pesticide residues in commercially managed colonies after die-off incidences. The neonicotinoid insecticide imidacloprid, in particular, is widely detected and found in high levels, with the researchers identifying the compound as the largest contributor to bee death. Background Scientific literature linking pesticides, including neonicotinoids, to adverse impacts on pollinators continues to mount, as do the devasting population declines of […]

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Paraquat Linked to Parkinson’s Disease in U.S. County with Among the Highest Rates, Supporting Call for a Ban

Beyond Pesticides — Wed, 10 Jun 2026 04:01:21 +0000

(Beyond Pesticides, June 10, 2026) Adding to the wide body of science connecting the weed killer paraquat to deleterious health and environmental effects, Investigate Midwest recently released an investigative news article connecting air emissions of paraquat from chemical plants in the Mississippi Basin to Parkinson’s disease, among other adverse health effects. The herbicide is also fatal to humans with a single sip, as documented in the article, entitled “This herbicide is so toxic it’s been banned in over 70 countries. But plants in the South are releasing it into the air.” In capturing the story of Wayne County, Mississippi, where approximately 20,000 people live surrounded by forest and farmland, Investigate Midwest sheds light on the connection between the Sipcam Agro plant that processes and emits paraquat. The plant is located in the county with among the highest U.S. rates of Parkinson’s disease deaths, the top 7% of all U.S. counties. Background on Paraquat Paraquat has been on the market since the 1960s, created by a predecessor of Syngenta. In March of this year, Syngenta announced it would stop producing paraquat in the UK after thousands of lawsuits, primarily by farmers and farmworkers, cite Syngenta’s failure to warn of adverse health effects like Parkinson’s disease. Stopping the production of paraquat in the UK will not prevent paraquat from entering the U.S., as “other companies and other facilities—like the one in Wayne County—will fill the gap, likely increasing the amount of paraquat they handle.” According to previous data from the U.S. Geological Survey, approximately 11 to 17 million pounds of paraquat were sprayed annually in 2017, which may […]

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Literature Review Underscores Cognitive Impacts from Pesticide Exposure in Agricultural Workers

Beyond Pesticides — Tue, 09 Jun 2026 04:01:12 +0000

(Beyond Pesticides, June 9, 2026) In a new literature review published in Florence Nightingale Journal of Nursing, researchers identify 10 peer-reviewed studies with a statistically significant relationship between pesticide exposure and declines in cognitive function among agricultural workers. The cognitive deficits adversely impact their daily functioning and safety on the job. These adverse impacts include disruptions to visual memory, attention, language speaking, and perceptual-motor function. Two of these studies specifically compare chemical-intensive and organic farmers, finding a relationship between less synthetic pesticide exposure and improved neurological and cognitive outcomes. While more data is needed to produce precise dose-response estimates by active ingredient/chemical mixture, the findings support a precautionary approach to pest management decisions and transitioning to organic land management, a trend that is increasing across the U.S. and worldwide. Main Findings The researchers identify 12 studies published between 2016 and 2023 that assessed pesticide impacts—“including insecticides, fungicides, herbicides, bactericides, rodenticides, and nematodes”—on various areas of cognitive function in agricultural workers, with 10 of those studies showing a statistically significant relationship. The main findings include: Two studies compare organic and chemical-intensive farmers, with one study focused on Costa Rica (Mora et al., 2022) and the other focused on the United States […]

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Trump Administration Shutters Agricultural Research Center Established in 1910, Subject of Action

Beyond Pesticides — Mon, 08 Jun 2026 04:01:27 +0000

(Beyond Pesticides, June 8, 2026) When the Trump administration announced that it was shutting U.S. Department of Agriculture’s (USDA) Beltsville Agricultural Research Center (BARC) in Beltsville, Maryland, U.S. Representative Jamie Raskin (D-MD) released the following statement: “This is a betrayal of American farmers, and an attack on the federal workforce that will severely damage services that the American people depend on. We are disappointed but not surprised that the Trump administration is continuing its attacks on the federal workforce, this time through wasting taxpayer dollars to relocate key USDA facilities. Let us be clear: these haphazard, unlawful relocations do not save taxpayer dollars or improve agency efficiency. We’ve seen this tactic before, and we know that it only results in brain drain, crushed morale, and cuts to vital programs American farmers depend on. We will continue to stand up for the dedicated federal workers who provide critical services to our nation as they navigate these relocations, mass firings, and the administration’s continued attacks on the civil service.” In the face of this action, which is now taking place, Beyond Pesticides has released an action to tell Congress and USDA to preserve the Beltsville agricultural research facilities that support farming and […]

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Robust Science on Transgenerational Health Effects Tied to Pesticide Exposure, Highlights Regulatory Gaps

Beyond Pesticides — Fri, 05 Jun 2026 04:01:46 +0000

(Beyond Pesticides, June 5, 2026) With increasing research covered by Daily News showing pesticides linked to epigenetic effects (alter gene expression), the mechanism has far-reaching implications for protecting health and the environment. It also raises issues related to the regulatory review process, which is inadequate in assessing this mechanism. Since the discovery of DNA, a principle called the “central dogma” has dominated genetics. This dogma states that genetic processes are a one-way street: only changes to DNA in germ cells (eggs and sperm) trigger processes in RNA and then proteins to effect changes in tissues and cells throughout the body. Any suggestion that environmental exposures, for example, could alter gene expression except in the first, exposed generation, was dismissed as “Lamarckian” and unscientific. And only changes to genes themselves could be inherited. The theory of epigenetics began developing in the 1950s, and it gradually became clear that gene expression was modifiable by external factors. Cells do have numerous ways of choreographing genes, determining which ones are turned on and off at which times and in which places. In fact, this choreography is absolutely necessary for the development of an individual from pre-conception through fertilization and the progress of an embryo to […]

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Organic Land Management and Conservation Maximizes Wildlife Biodiversity, Adding to Previous Studies

Beyond Pesticides — Thu, 04 Jun 2026 04:01:22 +0000

(Beyond Pesticides, June 4, 2026) In a study published in Perspectives in Ecology and Conservation, researchers in Brazil find that organic farming coupled with agroecological conservation practices “promote[s] biodiversity in agricultural landscapes.” The proxy for biodiversity in this study is anurans, a type of frog or toad native to the Brazilian Pampa—a section of the South American Pampas grasslands, a globally underrecognized biodiversity hotspot. According to a scientific report reviewed by Mongabay in 2024, “nearly a third of the Brazilian portion…has been lost since 1985, largely to agricultural expansion and forestry plantations.” In the U.S. context, public health and environmental advocates continue to call for the transition to organic land management as a solution that validates the ecosystem services that biodiversity-forward agricultural systems can provide under values-aligned stewardship. Methodology and Main Findings The authors in this study, researchers at the Universidade Federal do Rio Grande do Sul, surveyed 26 artificial ponds across 16 family farms with different land management systems—9 organic farms and 7 conventional farms—located in the Serra do Sudeste region of the Brazilian portion of the Pampa grasslands. All farms were sampled three times during the 2023 to 2024 breeding seasons (twice in the October to November 2023 […]

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Widely Used Fungicide and Breakdown Products Threaten Consumers and Wildlife by Triggering Oxidative Stress

Beyond Pesticides — Wed, 03 Jun 2026 04:01:33 +0000

(Beyond Pesticides, June 3, 2026) A study, published in PeerJ today, by researchers from the University of Wisconsin-Madison in the U.S. and the University of Pisa in Italy, finds that the widely used fungicide fludioxonil and its breakdown products, including a ‘forever chemical’ per- and poly-fluoroalkyl substance (PFAS), threaten environmental and human health. Through a review of scientific literature (from 2021-2025) of the ecological and health effects of fludioxonil, the authors find evidence of this chemical’s mechanisms of toxicity, including oxidative stress, that are enhanced as it degrades in the environment. Oxidative stress occurs when there is a disruption of normal cell-signaling and molecular damage, leading to an imbalance of reactive oxygen species (ROS) and free radicals (unstable oxygen molecules) that the body is unable to detoxify. In particular, sunlight exposure causes fludioxonil to break down into a PFAS that is linked to adverse health implications for the environment, wildlife, and humans. One of the authors, Warren Porter, PhD, is a board member for Beyond Pesticides and presented at the 2021 National Pesticide Forum. Dr. Porter is an emeritus Professor of Integrative Biology and an Ardath and Robert Rodale Professor of Environmental Toxicology, with previous research showing that combinations of commonly used agricultural chemicals in concentrations that mirror levels found in groundwater can significantly influence immune, endocrine, and neurological health in animals. His research also links pesticide exposure in utero to impaired learning, changes in brain function, and […]

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Organic Solution to Pesticide Pollution Embraced Across Political Parties in Recent Action

Beyond Pesticides — Tue, 02 Jun 2026 04:01:29 +0000

(Beyond Pesticides, June 2, 2026) “Show me what democracy looks like; this is what democracy looks like” is a common chant at rallies across the United States and worldwide when people come out to express their outrage at the complacency of the political system to address current societal hardships and inequities. On the eve of the 250th anniversary of the Declaration of Independence, the state of U.S. politics has become especially divisive and polarized. One area of agreement, however, that continues to break through the fractious political climate was on display recently in South Carolina, when the state’s House of Representatives unanimously passed a House Resolution encouraging local communities to transition to organic land management across the state earlier this spring. This action serves as one signal among many of widespread agreement that the protection of people and the environment from pesticides has bipartisan support. Passed in March, H.5305 was introduced by William G. “Bill” Herbkersman (R) and cosponsored by a bipartisan group of over 100 House members. State Representative Herbkersman is chair of the House Labor, Commerce and Industry Committee. The Resolution seeks to “encourage counties, municipalities, and other political subdivisions of the State, including school districts” to establish […]

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Action Calls for Banning Hazardous and Persistent PFAS Pesticides, as Uses Continue

Beyond Pesticides — Mon, 01 Jun 2026 04:01:59 +0000

(Beyond Pesticides, June 1, 2026) In the face of U.S. government inaction, the California state Assembly last week passed legislation to phase out existing agricultural uses and ban new uses of PFAS (perfluoroalkyl and polyfluoroalkyl substances) pesticides. The legislation, AB 1603, which accurately defines PFAS pesticides in accordance with international standards, does allow continued residential, school and park, playing field, and community PFAS pesticide use (including mosquito spraying). The bill now moves on to the state Senate. While advocates say the bill is an important step forward, they point out that the legislation is one of many examples that compromises public and environmental health, as pesticide-associated cancer, degenerative diseases, multigenerational effects, and ecosystem decline escalate. This attack on health and the environment is happening at the same time that organic agriculture and land management prohibits the use of PFAS pesticides and all the petrochemical pesticides and fertilizers with profitable and cost-effective practices. The California victory paves the way for state action as regulators at the U.S. Environmental Protection Agency (EPA) refuse to act on clear scientific findings identifying devastating health and environmental threats. In this context, the bill serves as a call for all states to push for this type of legislation […]

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Widespread Multiple Pesticide Exposure with Adverse Effects Again Documented in Honey Bee Hives

Beyond Pesticides — Fri, 29 May 2026 04:01:02 +0000

(Beyond Pesticides, May 29, 2026) In a new study published in Environmental Pollution, researchers detected 15 currently used pesticides (CUPs)—including 10 pesticide compounds detected but not applied within the study’s managed fields— in the pollen of beehives in an environment meant to reflect a typical honey bee foraging range. The detection of pesticides that were not directly applied within the study’s target radius demonstrates the pervasiveness of pesticide drift into soils, streams, and bodies. In this context, public health and environmental advocates continue to call for a wholesale transition to organic land management. The findings are particularly concerning given the toxicity hazards to honey bees associated with pesticide exposure in this study and bolstered by other studies, resulting in documented threats to their health—as reviewed in this Daily News below. Methodology and Background Researchers at the University of Bern and Agroscope, the Swiss government’s agricultural research arm, conducted this research with agricultural land-use data for 2023 and 2024 from the Zurich (provincial/Canton) government. The study area was defined as a 2-kilometer radius around the hive placement site, with 4 active hives over the course of a two-year period (April 10, 2023, through May 3, 2024). The land use within the […]

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