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Debilitating Ear Blisters Plague Long Island Turtle Populations from Pesticide Use

Thursday, August 5th, 2021

(Beyond Pesticides, August 5, 2021) A recent report by Turtle Rescue of the Hamptons finds Long Island, New York turtles are experiencing higher rates of deadly aural abscesses or ear blisters from pesticide use. Previous research documents the role chemical exposure from environmental toxicants play in inner ear abscess formation among turtles. However, synergism (collaboration) between viral infection and toxic chemical exposure increases aural abscess instances. Considering these infections are taking a toll on the Long Island turtle population, government and wildlife officials must assess how chemical exposure promotes disease development to safeguard human, animal, and environmental health. Karen Testa, executive director of Turtle Rescue of the Hamptons, cautions, “I’m urging Long Islanders to think about how these pesticides are negatively impacting the natural world. Is your perfect green lawn worth the life of a turtle?” Aural abscesses are painful ear blisters that can grow as big as a golf ball. Medical intervention is necessary to remove abscesses from turtles and treat them with an antibiotic regimen to prevent death. Turtle Rescue facility workers report a staggering 50 percent of turtles currently within their care to have aural abscesses. The percentage of turtles with this diagnosis is much higher than in past years. […]

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Typical Neonicotinoid Insecticides at Any Level Likely to Kill Off Wild Pollinators

Wednesday, August 4th, 2021

(Beyond Pesticides, August 4, 2021) Neonicotinoid insecticides applied to nursery plants sold at garden centers kill off wild, solitary pollinators regardless of the amount applied, according to research published in the Proceedings of the Royal Society B. The news is unlikely a surprise for those tracking the science around pollinator declines, but nonetheless a stark reminder of the lack of progress from federal regulators to stop practices that contribute to the ongoing crisis. With new science consistently showing unacceptable hazards to pollinator populations, advocates are urging Congress to take up and pass the Saving America’s Pollinators Act. Since 2006, scientists and beekeepers have singled out neonicotinoids, a class of systemic insecticides, for their role in pollinator die-off and decline. Once applied onto a seed or sprayed on a plant, neonicotinoids distribute themselves throughout the plant’s structure. This causes soft-bodied sucking insects like aphids to be killed when they eat any part of the plant. However, neonicotinoids also make their way into the pollen and nectar the plant produces, as well as the dew drops plants will secrete and pollinators will often use to grab a quick drink. The use of these insecticides on native plants sold at nursery stores throughout […]

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Death of as Many as 107,000 Bumblebees from Neonicotinoid Insecticides Studied

Friday, July 16th, 2021

(Beyond Pesticides, July 16, 2021) Recently published research reviews the 2013 Wilsonville, Oregon mass bumblebee die-off from application of the neonicotinoid dinotefuran on 55 linden trees in a big-box-store parking lot. In that single event, the research paper (published in Environmental Entomology) estimates between 45,830 and 107,470 bumblebees from some 289–596 colonies were killed. Reporting on the new study, by Entomology Today, quotes primary conclusions of the co-authors: “Our study underscores the lethal impact of the neonicotinoid pesticide dinotefuran on pollinating insect populations,” and, “It is likely that the vast majority of mass pesticide kills of beneficial insects across other environments go unnoticed and unreported.” As Beyond Pesticides has chronicled, the U.S. and the world are undergoing a pollinator crisis, caused in significant part by agricultural pesticides. Dinotefuran, the neonicotinoid (neonic) that killed those Oregon bumblebees, is used against fleas, thrips, tree-boring caterpillars, emerald ash borers, hemlock woolly adelgids, and in the Oregon case, aphids. Entomology Today (ET) notes that the timing of this particular application could not have been worse: it happened on a warm day when the linden trees were in full flower and the bees out in force. Ironically, it occurred during Nation Pollinator Week. ET pens a […]

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Conservation Genomics Pinpoint Pesticides and Pathogens in Decline of Bumblebees

Tuesday, July 13th, 2021

(Beyond Pesticides, July 13, 2021) Bumblebees exposed to pesticides and pathogens display changes in gene expression that can be pinpointed and analyzed by cutting edge research tools, according to scientists at York university, who utilized the new technique in a study published in Molecular Ecology. This form of next-generation gene sequencing is part of a growing field of science known as conservation genomics, in which entire animal genomes are sequenced to determine conservation problems. “Next-generation sequencing is a totally new way to think about why bees are declining, which could revolutionize conservation biology,” says study coauthor Amro Zayed, PhD, associate professor in biology at York. “We’re looking directly at bee tissues  to try and get clues to the stressors that are affecting this bee. I think this is a gamechanger for sure. With a single study, we are able to implicate a couple of really obvious things we’ve talked about for years – pathogens and pesticides – in the case of Bombus terricola.” Researchers focused on Bombus terricola – the yellow banded bumblebee, as its range has declined significantly over the last two decades. The bumblebee was once common throughout the eastern and midwestern part of the U.S. and Canada, […]

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Tell Your Congressional Reps to Cosponsor Pollinator Legislation; Thank Those Who Already Have

Monday, July 12th, 2021

(Beyond Pesticides, July 12, 2021) During Pollinator Week 2021 in June, U.S. Representatives Earl Blumenauer (D-OR) and Jim McGovern (D-MA) reintroduced the Saving America’s Pollinators Act (SAPA) to reverse ongoing declines in wild and managed pollinators. New data released in June for 2020-21 documents the second highest honey bee losses in 15 years. SAPA uses the latest scientific research and perspectives to ensure that pollinators are protected. The bill suspends the use of neonicotinoid (neonic) insecticides and other pesticides harmful to bees and other pollinators until an independent board of experts determines that they are safe to use, based on a strong scientific assessment. Ask your elected representative in Congress to support pollinators by cosponsoring Saving America’s Pollinators Act (SAPA). If they are already a cosponsor, use this occasion to thank them for their leadership on this critical issue. “Without our world’s pollinators, the world would be a very different place. These bees, butterflies, hummingbirds, and other creatures are essential elements of our food system. Losing them means we risk losing the very food we put on our table,” said Rep. Blumenauer. “We must use every tool at our disposal to provide pollinators with much-needed relief from bee-toxic pesticides and monitor […]

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EPA Agenda Undermined by Its Embrace of Industry Influence, Article Documents

Friday, July 9th, 2021

(Beyond Pesticides, July 9, 2021) The investigative online publication The Intercept has turned its attention to the current and historical role of industry in distorting, undermining, and outright suppressing the protective function of the U.S. Environmental Protection Agency (EPA) with regard to pesticide exposures. The subsequent reporting — “The Department of Yes: How Pesticide Companies Corrupted the EPA and Poisoned America” — is a devastating chronicle of the theme and particulars that Beyond Pesticides has covered for years. That is, that EPA has repeatedly disregarded its charge to protect human and environmental health in favor of enabling industry to continue its chemical experimentation on the populace and on the nation’s multiple natural resources. This pattern must change if the agency is to enact its mission and the public is to be protected. The Intercept interviewed more than 24 people with expertise on the regulation of pesticides, including 14 who have worked in EPA’s Office of Pesticide Programs (OPP). The chief takeaway from those interviews, as written by reporter Sharon Lerner, is that EPA “is often unable to stand up to the intense pressures from powerful agrochemical companies, which spend tens of millions of dollars on lobbying each year and employ many […]

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Second Highest Honey Bee Loss in 15 Years Documented

Friday, July 2nd, 2021

(Beyond Pesticides, July 2, 2021) The second highest bee loss in 15 years has reported by the Bee Informed Partnership (BIP) in its 2020–2021 National Colony Loss and Management Survey, released on June 30. For the “winter” period of October 1, 2020 through April 1, 2021, approximately 32% of managed bee colonies in the U.S. were lost. This represents an increase of 9.6% over the prior year’s winter loss and is roughly 4% higher than the previous 14-year average rate of loss. For all of the past year (April 1, 2020 to April 1, 2021) the colony loss was 45.5%. Beyond Pesticides has covered the related issues of Colony Collapse Disorder (CCD), the ongoing and devastating impacts of pesticides on bees and other pollinators, and the larger context of what some have called the “insect apocalypse.” These recent BIP data appear to indicate that “we,” writ large, are failing to remedy these problems. Three out of four food crops globally depend on pollinators, at least in part. Commercially kept bees account for a significant portion of pollination of some U.S. crops; almonds are the leading crop, followed by apples and melons. The commercial bee business is huge — a $691 million […]

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Maine Aerial Forestry Spray Ban of Glyphosate and Other Herbicides Vetoed by Governor, Override Effort Begins

Tuesday, June 29th, 2021

(Beyond Pesticides, June 29, 2021) Maine Governor Janet Mills (D) last week vetoed legislation prohibiting the aerial use of glyphosate and other dangerous herbicides in forestry practices. LD125, An Act To Prohibit the Aerial Spraying of Glyphosate and Other Synthetic Herbicides for the Purpose of Silviculture, was supported by a wide range of health and conservation groups, and aimed to bring the state in line with best practices for public health and the environment. With Maine recently passing one of the strongest consumer bans on pollinator-toxic neonicotinoids, advocates are dismayed by the setback from the Governor’s office. In a statement to Maine Public Radio, Senate President Troy Jackson said that Governor Mills should stop referring to herself as an environmentalist. “The science across the country, across the world, says that this stuff kills people, kills wildlife,” Mr. Jackson says. “And all that it is, is a giveaway to the large landowners so they can maximize their profits off the lives of the people in Maine and the wildlife in Maine.” Senator Jackson’s words are stern yet factual. Glyphosate has been identified by the World Health Organization as a probable human carcinogen. Monsanto, now owned by Bayer, has been the subject […]

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Saving America’s Pollinators Act Reintroduced, Advocates Urge Congressional Action to Stop Pollinator Decline

Thursday, June 24th, 2021

(Beyond Pesticides, June 24, 2021) This Pollinator Week 2021, U.S. Representatives Earl Blumenauer (D-OR) and Jim McGovern (D-MA) are reintroducing the Saving America’s Pollinators Act (SAPA) in an effort to reverse ongoing declines in wild and managed pollinators. SAPA uses the latest scientific research and perspectives to ensure that pollinators are protected. The bill suspends the use of neonicotinoids and other pesticides harmful to bees and other pollinators until an independent board of experts determine that they are safe to use, based on strong scientific assessment. “Without our world’s pollinators, the world would be a very different place. These bees, butterflies, hummingbirds, and other creatures are essential elements of our food system. Losing them means we risk losing the very food we put on our table,” said Rep. Blumenauer. “We must use every tool at our disposal to provide pollinators with much-needed relief from bee-toxic pesticides and monitor their populations to ensure their health and survival.”  Neonicotinoids are systemic pesticides; once applied to a seed or sprayed on a plant they make their way into the pollen, nectar and dew droplets that plants produce and pollinators feed upon. Exposure impairs pollinator navigation, foraging, and learning behavior, and also suppresses their […]

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Pesticide Contamination in Waterways Raises New Alarm for Aquatic Life, Citing Poor Regulation

Wednesday, June 23rd, 2021

(Beyond Pesticides, June 23, 2021) Small streams are prone to excessively high levels of pesticide contamination that are even more hazardous than once thought, according to a pilot study generated by a team of German researchers. The results indicate significant risks for the health of aquatic ecosystems and should be used as evidence for establishing greater protections from toxic pesticide use, researchers say. With many aquatic benchmarks set by the U.S. Environmental Protection Agency lower than those established in Germany and the European Union, and evidence of widespread pesticide contamination in America’s waterways, the study could have even greater weight for for U.S. regulatory agencies’ deficiencies. Scientists established monitoring sites at more than 100 streams throughout Germany over the course of two years. Most sites were established near farm fields, where chemical farmers will use highly toxic pesticides than often make their way into local waterways. Streams were monitored for pesticide concentrations, with particular eye to whether they met the country’s regulatory acceptable concentration (RAC value) in a given water body. The RAC value is intended to be the highest level at which there will be no adverse effects on aquatic life, however these regulatory levels often do not correspond […]

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The Week of June 21 Is Pollinator Week—A Time to Take Personal and Community Action 

Monday, June 21st, 2021

(Beyond Pesticides, June 21, 2021) Pollinator Week reminds us that change is critical to the survival of the planet and that we can take action, both in our households and communities and in the state and federal policy arena.  Here’s how YOU can take action… Create an organic habitat on your own property or a space in the community—such as the library grounds, medians, and rights-of-way. Given that plant starts in many garden centers across the country are grown from seeds coated with bee-toxic neonicotinoid pesticides, or drenched with them, Beyond Pesticides has compiled a comprehensive directory of companies and organizations that sell organic seeds and plants to the general public. Included in this directory are seeds for vegetables, flowers, and herbs, as well as living plants and seedlings. [We are always updating the directory, so send us names of companies that should be added and we will.] Go organic in the management of all your town’s public spaces—parks, playing fields, school grounds, and open space. Check out the information on talking with your neighbors, local organizations, and elected officials about advancing our model local policy. Then you can see what other communities are doing across the country. Also, see the cost […]

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Maine Bans Consumer Use of Neonicotinoid Insecticides, with Some Exceptions

Friday, June 18th, 2021

(Beyond Pesticides, June 18, 2021) As the U.S. Environmental Protection Agency (EPA) continues to drag its feet on protective regulation of neonicotinoid pesticides, states continue to step up to restrict their use. In April, the Maine legislature passed, and Governor Janet Mills has now signed, a new law that will prohibit use of neonicotinoid pesticides with the “active ingredient[s] dinotefuran, clothianidin, imidacloprid or thiamethoxam used for application in outdoor residential landscapes such as on lawn, turf or ornamental vegetation” [links by Beyond Pesticides]. Though short of an outright ban, this law is a solid step forward for Maine in reining in use of these compounds, which are neurotoxicants widely implicated in pollinator (and other insect, bird, and mammal) harms or declines. Until a federal ban happens, Beyond Pesticides offers guidance on avoiding use of neonicotinoid pesticides through its fact sheet, Managing Pests Safely Without Neonicotinoids, and its Bee Protective web pages. This new Maine law does, however, include exemptions for wood preservation, indoor pest control, use on pets, treatment of structure foundations, and controlling invasive insect pests, such as the Asian long-horned beetle, emerald ash borer, and hemlock wooly adelgid. The statute leaves other large loopholes that will permit continued use […]

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Study Highlights Important Role Field Margins Play in Insect Conservation and Pest Management

Wednesday, June 16th, 2021

(Beyond Pesticides, June 16, 2021) Uncultivated field margins contain almost twice as many beneficial insects as cropped areas around farm fields, according to research published this week in the Journal of Insect Science. The study finds that these predators and parasitoids overwinter in diverse vegetation, and can provide farmers an important jump start on spring pest problems. “A benefit of understanding overwintering is that those arthropods that emerge in the spring may be more inclined to feed on pests when pest populations are low,” said Scott Clem, PhD, coauthor of the study. “And so, they may be more likely to nip pest populations in the bud before the pest problem becomes a big deal.” The study focused on five organic farms, as conventional chemically sprayed fields are not conducive to a thriving overwintering insect population. The farms, all located in the Midwest, each had 10 emergence tents set up both in the middle of the field and around field edges. Emergence tents capture insects that have spent their winter in soil and prevent predatory insects from escaping scientific analysis. After the tents were set up in mid-March 2018, samples were taken in late March, mid-April, and at the end of […]

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Switzerland to Hold Landmark Vote on Nationwide Ban of All Synthetic Pesticides June 13

Friday, June 11th, 2021

(Beyond Pesticides, June 11, 2021) On Sunday, June 13, Switzerland will hold a national vote on two landmark initiatives related to pesticide use (as well as several referenda). The vote on one initiative, dubbed by advocates “For a Switzerland Free of Synthetic Pesticides” (FSFSP), will determine whether or not the country will ban synthetic pesticides. If it does, it will become the first European nation to do so. The other initiative, which aims to eliminate direct subsidies of farmers who use synthetic pesticides or antibiotics for livestock, is focused on improving the quality of Switzerland’s drinking water and food supply. Beyond Pesticides covered the grassroots origin of the Swiss “no synthetic pesticides” initiative in 2018 and sees potential passage of both it and the water quality initiative as a watershed moment in the protection of health and the environment. These measures would go a long way to protecting and improving the health of humans and ecosystems, and the food supply, as well as protecting biodiversity in Switzerland. It could also — as advocates hope — encourage other European countries to follow suit. This vote has been scheduled, in part, as an outcome of a 2018 petition by the advocacy group, Future3, […]

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Exposure to Certain Pesticides Increase the Risk of Thyroid Cancer

Thursday, May 27th, 2021

(Beyond Pesticides, May 27, 2021) Research by the U.S. National Institutes of Health (NIH) finds exposure to lindane and metalaxyl pesticides heightens thyroid cancer risk. Both incidents of non-aggressive thyroid tumors and advanced-stage thyroid cancer are on the rise. However, researchers speculate that environmental pollutants, such as pesticides, may contribute to this increase, especially considering the pervasiveness of pesticide exposure among the general population. Globally, cancer is one of the leading causes of death, with over 8 million people succumbing to the disease every year. Notably, the International Agency for Cancer Research (IARC) predicts new cancer cases to rise 67.4% by 2030. Various environmental pollutants like pesticides have endocrine (hormone) disruption effects that promote higher instances of thyroid and reproductive cancers. Therefore, studies like these highlight the importance of understanding how pesticide use can increase the risk of latent diseases (e.g., cancers), which do not readily develop upon initial exposure. The researchers state, “More work is needed to understand the potential role of these chemicals in thyroid carcinogenesis.” The European Union and endocrine disruptor expert (deceased) Theo Colborn, Ph.D., classify more than 55 pesticide active ingredients as endocrine disruptors (EDs), including chemicals in household products like detergents, disinfectants, plastics, and pesticides. Endocrine disruptors are xenobiotics (i.e., toxic chemical substances foreign […]

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Stop EPA’s Racist Policies that Disproportionately Harm Farmworker Children’s Brains: Ban Chlorpyrifos

Monday, May 17th, 2021

(Beyond Pesticides, May 17, 2021) The U.S. Environmental Protection Agency (EPA) has less than two months to decide whether to cancel or modify its registration of the brain-damaging organophosphate insecticide chlorpyrifos, following a decision from a federal appeals court. The ruling comes after more than a decade of delay from the federal agency tasked with protecting public health and the environment from the hazards of chemicals like chlorpyrifos. The decision now falls to the Biden Administration’s EPA Administrator Michael Regan, after the previous administration reversed a proposal to ban agricultural uses of chlorpyrifos in 2017. Most residential uses of the chemical were banned in 2000.  Tell EPA to ban chlorpyrifos and other neurotoxic pesticides. The target of action by which chlorpyrifos and many other pesticides kill is the nervous system. It is not surprising, then, that pesticides also target the nervous system in humans. They are particularly hazardous to children, who take in greater amounts of pesticides relative to their body weight than adults, and whose developing organ systems are typically more sensitive to toxic exposures. The body of evidence in the scientific literature shows that pesticide exposure can adversely affect a child’s neurological, respiratory, immune, and endocrine systems, even at […]

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General Release of Honey Bees Threatens Wild Native Bee Populations and Ecosystems

Friday, May 14th, 2021

(Beyond Pesticides, May 14, 2021) In a prime example of cart-before-the-horse, greenwashing, or perhaps “beewashing,” a British company has badly missed the mark in its latest attempt to market a product while “doing good” and generating goodwill with customers. As The Guardian reports, Marks & Spencer, the giant United Kingdom (UK) retailer, is releasing 30 million managed honey bees into rural British landscapes in what the company is promoting as an effort to support biodiversity and the beekeeping sector. However, according to experts and environmental advocates, unleashing that many honey bees may well actually harm both wild native bees and honey bees themselves. Critics of the move say this means that wild bees will likely face fiercer competition for already inadequate food sources. Beyond Pesticides adds that these honey bees have been dispatched to the same pesticide-contaminated habitats in which existing bee populations of all kinds face harmful exposures — exacerbating issues surrounding pollinator decline rather than solving them. Marks & Spencer’s Twitter marketing promotes the project in this way: “Did you know that bees contribute to a third of the food we eat? At M&S, we’re introducing more than 30 million bees to our Select Farms to help protect the […]

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Bayer Loses Bid to Overturn Neonicotinoid Ban in Europe

Tuesday, May 11th, 2021

(Beyond Pesticides, May 11, 2021) Last week, multinational agrichemical company Bayer Cropscience lost its bid to overturn a 2018 ban on bee-toxic neonicotinoids throughout the European Union. The ruling from the European Court of Justice rejected all grounds on which the company filed its appeal, noting, “It must be held that the arguments put forward by Bayer CropScience cannot, in any event, succeed.” In denying the appeal, the court ruled Bayer responsible for paying its own legal fees, as well as the fees of environmental organizations that intervened to defend the ban. Environmental groups are applauding the ruling, as it reinforces several important aspects of the EU’s pesticide policy that favor greater public health and environmental protections. In an interview with EURACTIV, policy officer Martin Dermine at Pesticide Action Network Europe notes that the decision provides more leeway for pesticide regulators to consider new scientific evidence on pesticide hazards. “More than that,” he told EURACTIV, “the Court confirms the definition of the precautionary principle:  in case of doubts on the toxicity of a pesticide, the European Commission is entitled to ban it.” Pesticide regulators in Europe began restricting neonicotinoids in 2013, when a continent-wide moratorium was put in place based […]

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Meta-Review: Pesticides Kill or Harm Soil Invertebrates Essential to Soil Health

Friday, May 7th, 2021

(Beyond Pesticides, May 7, 2021) Soil health is one of the linchpins on which the food production that sustains human life — as well as biodiversity, pollinator health, and carbon sequestration — depend. A recent meta-review of nearly 400 studies finds that, in 71% of the cases reviewed, pesticides kill or otherwise harm soil invertebrates that contribute mightily to soil health. In their paper, “Pesticides and Soil Invertebrates: A Hazard Assessment,” published in Frontiers in Environmental Science in early May, the researchers write, “A wide variety of soil-dwelling invertebrates display sensitivity to pesticides of all types . . . [These results] support the need for pesticide regulatory agencies to account for the risks that pesticides pose to soil invertebrates and soil ecosystems.” Beyond Pesticides, which has long reported on impacts of pesticides on soil health, concurs with that conclusion, and adds that the real solutions to noxious pesticide impacts lie in the adoption of  regenerative organic approaches to all land management because they obviate any need for petroleum-based toxic chemical controls. The term “pesticide” can refer to myriad kinds of chemical treatments — including antimicrobials, disinfectants, rodenticides, and others — but in the agricultural and land management realms, primarily means insecticides, […]

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Breakdown Products (Metabolites) from Pesticides May Be More Toxic than Parent Compound, Study Finds

Thursday, May 6th, 2021

(Beyond Pesticides, May 6, 2021) Nearly half of all breakdown products (transformation products) from four common-use environmental pesticides produce stronger endocrine (hormone) disrupting (ED) effects than the parent compound, according to new research published in Environment International. Over 300 environmental contaminants and their byproducts—from chemicals in plastics to cosmetic/personal care products—are commonly present in water bodies, food commodities, and human blood/urine samples. These toxicants can alter hormone metabolism, producing endocrine-disrupting effects that put the health of animals, humans, and the environment at risk. Many ecological and health risk assessments for pesticides focus on the effects of parent chemical compound products, overlooking the potential impacts of transformation products (TPs). Therefore, studies like these highlight the need to assess the implications of TPs to safeguard human, animal, and environmental health. The researchers note, “Since an increasing number of pesticide TPs have been detected in various environmental media, a more comprehensive understanding of the ecological risk of pesticide TPs is imperative for risk assessments more extensively and regulatory policy-making on pesticide restriction in the future.” Endocrine disruptors are xenobiotics (i.e., chemical substances like toxic pesticides foreign to an organism or ecosystem), including pesticides, bisphenols, phthalates, persistent organic pollutants (POPs), and heavy metals. Past research demonstrates exposure […]

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Federal Court Gives EPA 60-Day Deadline to Decide the Fate of Chlorpyrifos

Tuesday, May 4th, 2021

(Beyond Pesticides, May 4, 2021) The U.S. Environmental Protection Agency (EPA) has less than two months to determine whether cancel or modify its registration of the brain-damaging, organophosphate insecticide chlorpyrifos, following a decision from a federal appeals court last week. The ruling comes after more than a decade of delay from the federal agency tasked with protecting public health and the environment from the hazards of chemicals like chlorpyrifos. The decision now falls to the Biden Administration’s EPA Administrator Michael Regan, after the previous administration reversed a proposal to ban agricultural uses of chlorpyrifos in 2017. Most residential uses of the chemical were banned in 2000.   “The EPA has had nearly 14 years to publish a legally sufficient response to the 2007 Petition,” reads a 2-1 opinion from the U.S. Court of Appeals for the 9th Circuit in San Francisco. “During that time, the  EPA’s  egregious  delay  exposed  a  generation  of  American  children  to  unsafe  levels  of  chlorpyrifos.” Chlorpyrifos is an organophosphate insecticide that is currently registered for use on a range of food crops, golf courses, and for public health mosquito control (in cases of mosquito-borne diseases). It is highly acutely toxic, causing numbness, tingling sensation, in-coordination, dizziness, vomiting, […]

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Pesticide Pollution in Recreational Lakes Documented

Friday, April 16th, 2021

(Beyond Pesticides, April 16, 2021) Recent research, published in Environmental Pollution in late 2020, examines levels and persistence of pesticide pollution in recreational lakes. The study finds: (1) concentrations of the neonicotinoid imidacloprid at levels exceeding ecotoxicity limits for aquatic invertebrates in a recreational lake that receives predominately urban runoff, and (2) that pesticide residues persist in the studied lakes throughout the growing season. Based on their findings, the scientists emphasized the importance of stricter regulation of insecticide compounds, and of better education about their impacts. Beyond Pesticides maintains that neonicotinoid pesticides should be banned for several reasons, not least of which is the extreme damage they cause to pollinators. The goal of the study was to evaluate potential ecosystem exposure to pesticide contamination in Midwestern recreational lakes, as well as the persistence of pesticide residues in those water bodies over the course of the growing season. Study authors hypothesized that watersheds with significant agricultural land uses would have higher concentrations of pesticides compared to largely urban and herbaceous watersheds. This research, out of the University of Nebraska–Lincoln and the University of Kentucky, looked to evaluate the occurrence of neonicotinoid and organothiophosphate insecticides, and some fungicides, in three lakes with differing […]

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“No Pollinator is Safe” — New Evidence of Neonicotinoids Harming Wild, Ground Nesting Bees

Tuesday, April 13th, 2021

(Beyond Pesticides, April 13, 2021) A new study is making it increasingly clear that current laws are not protecting wild, ground nesting bees from the hazards of neonicotinoid insecticides. According to research conducted under a grant from the U.S. Department of Agriculture’s Sustainable Agriculture Research and Education (SARE) projects, Blue Orchard Mason Bees (Osima spp) are at particular risk from pesticide-contaminated soil they use to create their nest. Authors of the study note that with honey bees already in decline, pollination services provided wild managed bees like Mason bees are growing in importance. “Wild bees such as Osmia are becoming increasingly popular as managed pollinators in many systems, as there is growing concern that honeybees may not be able to continue to meet the increasing demands of agricultural pollination if these trends continue,” the study reads. The study looked at three overarching threats to mason bee populations, aiming to identify risks from pesticide contaminated soil used as a nest, effects on larvae exposed to contaminated soil, and whether female mason bees could determine the difference between contaminated and uncontaminated soil. “Imidacloprid is a neonicotinoid, which is a group of pesticides that are highly toxic to bees,” said Christine Fortuin, PhD, […]

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