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EPA Urged To Reject Biased Syngenta Studies in New Atrazine Review

Thursday, January 7th, 2010

(Beyond Pesticides, January 7, 2010) Family farm groups across the Midwest are calling on the U.S. Environmental Protection Agency (EPA) to prioritize independent science as the agency begins reviewing the health and environmental threats posed by the herbicide atrazine. In a letter sent to EPA Administrator Lisa Jackson on January 5, 2010, over a dozen groups maintain that only a completely transparent process that rejects biased research produced by the pesticide’s primary manufacturer, Syngenta, will result in a review that serves the interests of farmers, the general public and the environment. “As farmers on the front line of chemical exposure, we need EPA to make science-based decisions in the interest of our health, our family’s health and the health of our community,” said Paul Sobocinski, a southwest Minnesota crop and livestock farmer and Land Stewardship Project member. “Unfortunately, EPA has a track record of allowing agrichemical companies like Syngenta to hijack the process with bad science.” The letter to Ms. Jackson was accompanied by a new report, The Syngenta Corporation & Atrazine: The Cost to the Land, People & Democracy, jointly produced by the Minnesota-based Land Stewardship Project (LSP) and Pesticide Action Network North America (PANNA). The report provides farmers […]

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Comments Needed: USDA To Allow Deregulation of GE Alfalfa Again

Thursday, December 17th, 2009

(Beyond Pesticides, December 17, 2009) Earlier this week, the U.S. Department of Agriculture’s (USDA) Animal and Plant Health Inspection Service (APHIS) announced the availability of a Draft Environmental Impact Statement (EIS) that preliminarily concludes that there is no significant impact on the human environment due to granting nonregulated status to Roundup Ready (RR) alfalfa. Much to the dismay of environmentalists, the draft EIS outlines plans to allow unlimited commercial planting of genetically-engineered (GE) alfalfa that is resistant to the herbicide glyphosate, despite increasing evidence that GE alfalfa will threaten the rights of farmers and consumers, as well as damage the environment and the integrity of organic food. The agency prepared this draft EIS to comply with a February 2007 judgment and order by the U.S. District Court for the Northern District of California, in which Judge Charles R. Breyer found that USDA violated federal environmental law by failing to conduct an EIS on GE alfalfa seeds before deregulating them in 2005. The lawsuit, originally brought on by The Center for Food Safety (CFS) and several other environmental and farming groups, including Beyond Pesticides and Sierra Club, led to a 2007 court order that the deregulation may have significant environmental impacts […]

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EPA Announces New Scientific Evaluation of Atrazine

Thursday, October 8th, 2009

(Beyond Pesticides, October 8, 2009) The U.S. Environmental Protection Agency (EPA) announced that it will launch a comprehensive new evaluation of the pesticide atrazine to determine its effects on humans this fall. At the end of this process, the agency will decide whether to revise its current risk assessment of the pesticide and whether new restrictions are necessary to better protect public health. This announcement follows recent scrutiny and findings that the current EPA regulation of atrazine in water is inadequate. In August this year, the Natural Resources Defense Council (NRDC) published a report, Poisoning the Well which found that the commonly used herbicide atrazine can spike at extremely high levels which go undetected by regular monitoring. Concurrently, The New York Times published an investigative piece based on the NRDC findings and confirmed that the public is not informed when reports of these spikes of atrazine in drinking water occur. One of the most widely used agricultural pesticides in the U.S., atrazine can currently legally be applied before and after planting to control broadleaf and grassy weeds. Its increased use to manicure home lawns and gardens has become a serious environmental concern as runoff has had severe health and environmental […]

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Review Confirms Atrazine Harms Fish and Amphibians

Monday, October 5th, 2009

(Beyond Pesticides, October 5, 2009) An analysis of more than 100 scientific studies conducted on atrazine, published in the online edition of Environmental Health Perspectives, demonstrates the toxicity of atrazine to aquatic animals. Biologists at the University of Southern Florida (USF) have found evidence that atrazine harms fish and frogs. Atrazine is disruptive to the development and behavior of aquatic animals, and negatively effects their immune, hormone, and reproductive systems, according to the studies done by USF assistant professor Jason R. Rohr and postdoctoral fellow Krista A. McCoy. Atrazine is commonly used on lawns, golf courses, and sugarcane fields in Florida, and has recently been the topic of much controversy. While atrazine typically does not kill amphibians and freshwater fish, the USF report says it did: Ӣ Reduce the size of amphibians at or near metamorphosis in 19 of 19 studies. Ӣ Make amphibians and fish more active in 12 of 14 studies but reduced behaviors used to evade predators in six of seven studies. Ӣ Alter at least one aspect of male frogs’ reproductive development in eight of 10 studies. Ӣ Reduce the functioning of animals’ immune systems and often put them at risk of infection. Atrazine, a common […]

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Genetically Engineered Beets Unlawful

Monday, September 28th, 2009

(Beyond Pesticides, September 28, 2009) In a case brought by Center for Food Safety (CFS) and Earthjustice representing a coalition of farmers and consumers, a federal court ruled September 23, 2009 that the Bush Administration’s approval of genetically engineered (GE) “RoundUp Ready” sugar beets was unlawful. In this case, Center for Food Safety v. Vilsack, No. C 08-00484 JSW (N.D. Cal. 2009), the court ordered the U.S. epartment of Agriculture (USDA) to conduct a rigorous assessment of the environmental and economic impacts of the crop on farmers and the environment. The decision follows on the heels of a June 2009 decision from the Ninth Circuit Court of Appeals affirming the illegality of the USDA’s approval of Monsanto’s genetically engineered alfalfa. The federal district court for the Northern District of California ruled that the USDA’s Animal and Plant Health Inspection Service (APHIS) violated the National Environmental Policy Act (NEPA) when it failed to prepare an Environmental Impact Statement (EIS) before deregulating sugar beets that have been genetically engineered (GE) to be resistant to glyphosate herbicide, marketed by Monsanto as Roundup. Plaintiffs CFS, Organic Seed Alliance, Sierra Club, and High Mowing Seeds, represented by Earthjustice and CFS, filed suit against APHIS in […]

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Antimicrobial Claims Prompt Lawsuit by EPA under Pesticide Law

Thursday, September 24th, 2009

(Beyond Pesticides, September 24, 2009) The U.S. Environmental Protection Agency (EPA) has just announced that it filed suit against San Leandro based VF Corporation for the sale and distribution of unregistered pesticides through its retail company, The North Face. An AgION silver treated footbed, which the company claims has antimicrobial properties, is featured in over 70 styles of shoes by the company. These claims, according to the EPA, are in violation of the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA). The company could face up to $1 million in fines. While these products do not purport to usie nano-sized silver materials, the claims that are made for these products are suspiciously similar to those made by manufacturers for other nano-based antimicrobial products. These claims include: inhibiting the growth of disease-causing bacteria; preventing bacterial and fungal growth; and the continuous release of antimicrobial agents. Because of the lack of regulation, nanotechnology products are not always easy to recognize in the marketplace, and even the best lists do not include everything. Consumer products that include nano-based technologies, however continue to grow. EPA has taken a few regulatory actions against other manufacturers whose products made similar claims as this case, including action against […]

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Groups Say Science on Glyphosate Disqualifies It for Reregistration

Wednesday, September 23rd, 2009

(Beyond Pesticides, September 23, 2009) On September 21, 2009, Beyond Pesticides, joined by 32 other groups and individuals, submitted comments to the U.S. Environment Protection Agency (EPA) showing new and emerging science which illustrates that glyphosate and its formulated products pose unreasonable risk to human and environmental health, and as such should not be considered eligible for continued registration. EPA opened up the Glyphosate Registration Review for comments on July 22, 2009 with a window for submitting comments extending to September 21, 2009. Beyond Pesticides does not believe that glyphosate should be eligible for registration on the grounds that: human exposures to glyphosate pose unacceptable risks; Roundup formulations are toxic, yet go unevaluated; Food Quality Protection Act (FQPA) 10x (additional margin of safety) factor must be reinstated; Polyethoxylated Tallowamine (POEA) surfactant; glyphosate and Roundup threaten water quality and aquatic life; glyphosate and Roundup-ready crops lead to increasing resistance; and human incidents are too high. As demonstrated in the comments submitted by Beyond Pesticides, herbicide resistance is on the rise. When genetically engineered food products, such as Roundup-ready crops, were commercially developed in the 1990’s, they were sold to the public as a technology that, among other things, would reduce pesticide […]

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Home Pesticide Use Is A Significant Contributor to Water Pollution

Friday, August 21st, 2009

(Beyond Pesticides, August 21, 2009) Pesticide use around our homes are an underestimated source of water pollution – leading to more than 50 percent more water pollution than previously believed, according to scientists looking at pesticide use in residential areas in California. The polluted runoff has been linked to fish kills and loss of aquatic species diversity. The findings of a new study were reported earlier this week at the 238th National Meeting of the American Chemical Society in Washington, DC. In the study, Lorence Oki, from the Department of Environmental Horticulture at the University of California Davis, Darren Haver, with University of California Cooperative Extension, and their colleagues explain that runoff results from rainfall and watering of lawns and gardens, which winds up in municipal storm drains. The runoff washes fertilizers, pesticides and other contaminants into storm drains, and they eventually appear in rivers, lakes and other bodies of water. “Results from our sampling and monitoring study revealed high detection frequencies of pollutants such as pesticides and pathogen indicators at all sites,” Mr. Oki said of their study of eight residential areas in Sacramento and Orange Counties in California. Preliminary results of the study suggest that current models may […]

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EPA Long-Term Pesticide Safety Tests Criticized for Falling Short

Monday, August 17th, 2009

(Beyond Pesticides, August 17, 2009) The four-day testing period the U.S. Environmental Protection Agency (EPA) commonly uses to determine ”˜safe’ levels of pesticide exposure for humans and animals could fail to account for the long-term effects of toxic chemicals, University of Pittsburgh researchers report in the September edition of Environmental Toxicology and Chemistry. The team found that the highly toxic pesticide endosulfan, a neurotoxin banned in several nations but still used extensively in U.S. agriculture, can exhibit a “lag effect” with the fallout from exposure not surfacing until after direct contact has ended. The findings build on a 10-year effort by Rick Relyea, Ph.D., an associate professor of biological sciences in Pitt’s School of Arts and Sciences, to understand the potential links between the global decline in amphibians, routine pesticide use, and the possible threat to humans in the future. The team exposed nine species of frog and toad tadpoles to endosulfan levels “expected and found in nature” for the EPA’s required four-day period, then moved the tadpoles to clean water for an additional four days, Jones reported. Although endosulfan was ultimately toxic to all species, three species of tadpole showed no significant sensitivity to the chemical until after they […]

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Bayer Says It Will Stop Sale of Endosulfan by 2010

Monday, August 10th, 2009

(Beyond Pesticides, August 10, 2009) The multinational chemical company Bayer has stated that it will end distribution of the pesticide endosulfan in 2010, and to replace the toxic pesticide with safer alternatives. The decision follows an innovative action in 16 countries, led by Pants to Poverty, the organic and Fairtrade underwear company, and its coalition of partners including Pesticide Action Network, Fairtrade Alliance Kerala and Zameen Organic. In a letter addressed to Coalition Against Bayer Dangers, Bayer said: “We plan to stop the sale of the substance endosulfan by the end of 2010 in all the countries where it is still legally available.” The letter, signed by Bayer CropScience’s head of investor relations, Judith Nestmann, said endosulfan would be replaced by alternatives “with a significantly better risk profile”. Bayer’s decision comes after years of global campaigning by the PAN Network and its partners and allies against this persistent pesticide, which is linked to autism, birth defects and male reproductive harm, as well as deaths and acute injuries to farmers through direct contact. It is banned in over 60 countries including those in the European Union. In the United States endosulfan is used primarily on cotton in the state of California […]

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Pesticide Drift from Fields Impact Amphibian Populations

Thursday, July 23rd, 2009

(Beyond Pesticides, July 23, 2009) A new study published in the August 2009 issue of Environmental Toxicology and Chemistry found that insecticides used in highly populated agricultural areas of California’s Central Valley affect amphibians that breed in the Sierra Nevada Mountains to the east. This study adds to the increasing evidence that pesticides impact areas and wildlife species that are miles from sources of pesticide application. Researchers from the Cooperative Wildlife Research Laboratory, Southern Illinois University and U.S. Geological Survey (USGS) examined the chronic toxicity of two of the insecticides most commonly used in the Central Valley- chlorpyrifos and endosulfan, to larval Pacific treefrogs (Pseudacris regilla) and foothill yellow-legged frogs (Rana boylii), the amphibians with declining populations that live and breed in meadows surrounding the Sierra Nevada. The results are discussed in “Toxicity of Two Insecticides to California, USA, Anurans and Its Relevance to Declining Amphibian Populations.” The study used laboratory testing to examine how the insecticides affected the two frogs at environmentally realistic concentrations. During testing, tadpoles were observed at various stages of development to see how the insecticides affected their growth and health. The researchers found that endosulfan was more toxic than chlorpyrifos to both species, and tadpoles […]

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EPA Proposes Pesticides Restrictions in Endangered Species Settlement

Monday, July 6th, 2009

(Beyond Pesticides, July 6, 2009) Last week, the U.S. Environmental Protection Agency (EPA) proposed to formally evaluate the harmful effects of 74 pesticides on 11 endangered and threatened species in the San Francisco Bay Area over the next five years, and to impose interim restrictions on use of these pesticides in and adjacent to endangered species habitats. The proposal stems from a settlement agreement with the Center for Biological Diversity, which sued EPA in 2007 for violating the Endangered Species Act by registering and allowing the use of toxic pesticides in Bay Area endangered species habitats without determining whether the chemicals jeopardize those species’ existence. “Tens of millions of pounds of toxic and poisonous chemicals, known to be deadly to endangered species and harmful to human health, including proven carcinogens and endocrine disruptors, are applied in the Bay Area each year, and many of those find their way through runoff or drift into our soil, creeks and rivers, San Francisco Bay, and sensitive wildlife habitats,” said Jeff Miller, conservation advocate with the Center. “The toxic stew of pesticides in the Bay-Delta has played a major role in the collapse of native fish populations, and pesticides are a leading cause of […]

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Secret Ingredient in the Herbicide Roundup Kills Human Cells

Wednesday, July 1st, 2009

(Beyond Pesticides, July 1, 2009) Researchers have found that one of the so-called “inert” ingredients in the popular herbicide product Roundup can kill human cells, particularly embryonic, placental and umbilical cord cells. Over 4,000 inert ingredients are approved for use in the U.S. and can be mixed with pesticide “active” ingredients; however these chemicals are not disclosed to consumers or users on pesticide product labels due to EPA’s intepretation (many would say incorrect interpretation) of federal pesticide law. Many inerts are classified as highly toxic, while others have not been adequately studied. About 100 million pounds of Roundup are applied to U.S. farms and lawns every year and until now, most health studies have focused on the safety of glyphosate the active ingredient in Roundup, rather than the mixture of “inert” ingredients found in the herbicidal product. In this new study, “Glyphosate Formulations Induce Apoptosis and Necrosis in Human Umbilical, Embryonic, and Placental Cells,” researchers found that Roundup’s inert ingredients amplified the toxic effect on human cells””even at concentrations much more diluted than those used on farms and lawns, and which correspond to low levels of residues in food or feed. One specific inert ingredient, polyethoxylated tallowamine, or POEA, was […]

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State Lawmakers Question Pesticide and Its Link To Lobster Die-Off

Wednesday, February 11th, 2009

(Beyond Pesticides, February 11, 2009) Connecticut lawmakers are taking an interest in the much debated cause of a massive die-off of lobsters that has all but wiped out the state’s 40 million dollar industry, according to the Easton Courier. Fishermen and environmentalists blame the use of the insecticide malathion, a hazardous organophosphate, currently used in community mosquito eradication programs, however the state Department of Environmental Protection (DEP) argues that there is not enough scientific data to lead to the banning of the chemical. The huge die-off of lobsters began in 1999, days after towns in Fairfield County, Westchester County and Long Island, as well as New York City, sprayed malathion to kill mosquitoes carrying the West Nile virus. Also at that time, remnants of hurricane Floyd drenched the state and washed the pesticide into Long Island Sound. The DEP, however, says the storm caused many other factors that led to the mass die-off. However, the lobster population has yet to recover. State lawmakers find DEP’s position on malathion puzzling. Rep. Richard Roy (D-Milford), chair of the House Environment Committee, and Senate Assistant Majority Leader Bob Duff (D-Norwal) are questioning DEP about its efforts to restore the state’s lobster industry while […]

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New Report Finds High Concentrations of Toxic Contaminants in Sewage Sludge

Wednesday, January 28th, 2009

(Beyond Pesticides, January 28, 2009) The U.S. Environmental Protection Agency’s (EPA) national sewage sludge survey identifies high concentrations of toxic contaminants with heavy metals, steroids and pharmaceuticals, including the antibacterials, triclocarban and triclosan. Despite the prevalence of these toxic chemicals in the environment and their potential adverse impacts to human health and the environment, EPA maintains that it is not appropriate to speculate on the significance of the results at this time. Under the Clean Water Act (CWA), Section 405(d) stipulates that EPA must identify and regulate toxic pollutants that may be present in biosolids (sewage sludge) at levels of concern for public health and the environment. The survey, “Targeted National Sewage Sludge Survey” (TNSSS), sampled 74 selected waste water treatment plants in 35 states during 2006 to 2007. The survey, like its three predecessors, is conducted to determine which chemicals are present in sewage sludge and develop national estimates of their concentrations in order to assess whether exposures may be occurring and whether concentrations found may be of concern. The agency conducted analysis of sewage sludge samples for 145 compounds, including four anions (nitrite/nitrate, fluoride, water-extractable phosphorus), 28 metals, four polycyclic aromatic hydrocarbons, two semi-volatiles, 11 flame retardants, 72 […]

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Fish Mutations Linked to Pesticide Contamination

Wednesday, January 14th, 2009

(Beyond Pesticides, January 14, 2009) Two-headed bass found in the Noosa River are at the center of a controversy surrounding pesticide drift from neighboring farms in Queensland, Australia. The pesticides, endosulfan and carbendazim, have been implicated in the contamination of the river, which has yielded thousands of chronically deformed fish. Experts believe that the mutated fish, which survive only 48 hours after hatching, are the victims of pesticide drift from neighboring macadamia nut farms that routinely use endosulfan and the fungicide, carbendazim. Aquatic health expert and vice-president of the Australian College of Veterinarian Scientists’ Aquatic Animal Health Chapter, Matt Landos, PhD, has been investigating the phenomenon and concludes that there were no other probable causes to explain the fish and larval mortality. Dr. Landos documented evidence and completed a report which was sent to the state’s Department of Primary Industries and Fisheries last year. “The timing between the mist spraying and the affected larvae fits hand in glove,” Dr. Landos said. His report also found that chickens, sheep and horses raised at nearby fish hatcheries are also recording abnormally high levels of fetal deaths and birth defects. Gwen Gilson, who runs a Boreen Point fish hatchery, says she has observed […]

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Amphibian Population Decline Linked to Malathion Use

Friday, January 9th, 2009

(Beyond Pesticides, January 9, 2009) Environmental Toxicology and Chemistry has published a study (Vol. 27(12):2496—2500) entitled “Effects of Malathion on Embryonic Development and Latent Susceptibility to Trematode Parasites in Ranid Tadpoles.” It shows that malathion used as an agricultural insecticide is responsible for interfering with the normal development of pickerel frog embryos, thus leaving them more susceptible to parasite invasion. Malathion is present in natural water sources that have been exposed to urban and agricultural runoff. This organophosphate pesticide can be applied by planes in mosquito control program, and as esult enters water from the air. Although direct lethal and sublethal effects of chemical contaminants have been documented, latent and long-term effects have been less well documented. Therefore, researchers sought to fill this knowledge gap and found, as suspected, that tadpole survival rates decreased and malformations and susceptibility to parasite encystment rates increased as a result of exposure to malathion concentrations mimicking those found in actual water sources. Tadpoles are being exposed to increasing numbers of parasites in waters that are warming as a result of global climate change, and the researchers who performed this study speculate that, as a consequence, those exposed to malathion will have weakened immune systems […]

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New Zealand Joins Others in Banning Endosulfan, U.S. Use Continues

Thursday, December 18th, 2008

(Beyond Pesticides, December 18, 2008) The New Zealand’s Environmental Risk Management Authority (ERMA) has announced it will ban the controversial organochlorine pesticide endosulfan, effective January 16, 2009. Endosulfan, already banned in numerous countries including all the European Union countries, is an insecticide used on a wide range of fruits and vegetables and also on athletic fields in New Zealand. Illegal residues have been found in beef destined for South Korea, resulting in enormous costs for New Zealand exporters. Use of endosulfan for agriculture continues in the U.S., despite causing severe health and environmental problems. A coalition of groups, including the Pesticide Action Network Aotearoa New Zealand (PAN ANZ), Soil and Health Association and Safe Food Campaign, have long campaigned for the banning of endosulfan. Earlier this year, the three organizations carried out a number of residue tests on produce to draw attention to the extent of endosulfan residues, especially in tomatoes. “We are delighted that ERMA has overturned its earlier ”˜proposed’ decision to keep using this pesticide,” stated Meriel Watts, Ph.D., co-coordinator of PAN ANZ. “It would have been deeply embarrassing for New Zealand to continue its use when the pesticide has entered the process for a global ban under […]

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New Study Finds That Triclosan Exposure Impacts Thyroid Hormones

Thursday, December 11th, 2008

(Beyond Pesticides, December 11, 2008) In a recent study, researchers find that triclosan, the antibacterial agent found in many consumer products including soaps, toothpaste, cosmetics, counter tops and toys, alters thyroid function in male rats. These effects are observed at concentrations that may be used in consumer products and highlight the growing threat consumers face from this hazardous and ubiquitous chemical. The study, entitled, “The effects of triclosan on puberty and thyroid hormones in male wistar rats,” was reviewed by the National Health and Environmental Effects Research Laboratory, the U.S. Environmental Protection Agency (EPA) and approved for publication in Toxicological Sciences. Researchers measured blood concentrations of testosterone and several other types of hormones and weighed a variety of organs that are essential for rat development and puberty, including the pituitary gland, the testes, the prostate gland and the liver of male rat pups fed an oral dose of triclosan for 31 days. The purpose of the experiment was to determine what effects triclosan would have on concentrations of thyroid hormones and the onset of puberty. Results show a dramatic decrease in the thyroid hormone -thyroxine in rats exposed to increasing concentrations of triclosan, as well as significant increases in liver […]

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Study Finds Low Pesticide Concentrations Can Become Toxic Mixture

Monday, November 17th, 2008

(Beyond Pesticides, November 17, 2008) A toxic soup of the most commonly used pesticides frequently detected in nature can adversely affect the environment and decimate amphibian populations even if the concentration of the individual chemicals are within limits considered safe, according to University of Pittsburgh research published in the online edition of Oecologia. The results of this study build on a nine-year effort to understand potential links between the global decline in amphibians, routine pesticide use, and the possible threat to humans in the future. Amphibians are considered an environmental indicator species because of their unique sensitivity to pollutants. Their demise from pesticide exposure could foreshadow the fate of less sensitive animals, according to study author Dr. Rick Relyea, Ph.D., an associate professor of biological sciences in the University of Pittsburgh’s School of Arts and Sciences. Leopard frogs, in particular, are vulnerable to contamination; once plentiful across North America, their population has declined in recent years as pollution and deforestation has increased. Dr. Relyea exposed gray tree frog and leopard frog tadpoles to small amounts of the ten pesticides that are widely used throughout the world. Dr. Relyea selected five insecticides: carbaryl, chlorpyrifos, diazinon, endosulfan, and malathion; and five herbicides: […]

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Study Finds Low Doses of Pesticides Impact Amphibians

Monday, October 6th, 2008

(Beyond Pesticides, October 6, 2008) University of Pittsburgh researchers have found that the commonly used insecticide malathion can decimate tadpole populations by altering their food chain. The study, published in the October 1 edition of Ecological Applications, finds that gradual amounts of malathion that were too small to directly kill developing leopard frog tadpoles instead sparked a biological chain of events that deprived them of their primary food source. As a result, nearly half the tadpoles in the experiment did not reach maturity and would have died in nature. The results build on a nine-year effort to investigate whether there is a link between pesticides and the global decline in amphibians, which are considered an environmental indicator species because of their sensitivity to pollutants. According to the researchers, their deaths may foreshadow the poisoning of other less environmentally-sensitivespecies, including humans. According to the U.S. Environmental Protection Agency (EPA), malathion is the most commonly used insecticide in U.S. agriculture and the third most commonly used insecticide in the U.S. home and garden sector. It has been detected in the wetlands where frogs and other amphibians live. The researchers created simulated ponds from 300-gallon outdoor tanks containing wood frog and leopard frog […]

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EPA Extends Pesticide Inert Ingredient Tolerance Exemptions

Thursday, August 7th, 2008

(Beyond Pesticides, August 7, 2008) In a move antithetical to the precautionary principle, the Environmental Protection Agency (EPA) has decided to extend the tolerance exemptions on certain inert ingredients in pesticides until further studies on their possible health effects have been performed. A decision in 2006 announced that tolerance exemptions on the listed inerts would be revoked as of August, 2008. However, pesticide producers put pressure on the agency to extend this deadline, and the agency complied, extending the date to August 2009. Environmental and public health organizations advocate for stricter controls and more transparency regarding inert ingredients. Because inerts are not “active” ingredients, they do not have to appear on label and are considered proprietary information on the part of the manufacturers. However, their supposed inactivity or inertness belies the fact that these ingredients frequently pose serious health risks of their own, and commonly make up the majority of the volume of a pesticide. One such example is that of the herbicide Roundup, for which the primary inert ingredient was found to be highly toxic to amphibians (for full story, read Daily News of September 12, 2005). The announcement in the Federal Register states, “EPA developed voluntary guidance describing […]

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In Agricultural Areas, Male Toads Feminized

Thursday, July 17th, 2008

(Beyond Pesticides, July 17, 2008) In a new study published in Environmental Health Perspectives, researchers have found an increased occurrence of intersex toads in areas with greater agricultural land cover. This points to a link between certain pesticides and endocrine disruption, a change in the hormonal balance that can have sexual and reproductive effects. Such results implicate pesticides in the decline of amphibian populations, and suggests that these chemicals are also adversely affecting humans. The study, which was conducted in south Florida, looked at cane toads, Bufo marinus, at five sites with differing land use patterns ranging from suburban to nearly completely agricultural (primarily sugarcane and vegetables). Researchers examined physical characteristics such as coloration, sexual organs, and forelimb length, as well as hormone concentrations, and found a higher rate of feminization for toads in agricultural areas. In these areas, glyphosate (the active ingredient in Round Up herbicide) and atrazine (an herbicide) use is common. Tyrone Hayes, PhD, was one of the first to document the endocrine disrupting effects of atrazine on frogs in a laboratory setting. Countering any doubts of why this work is important, Dr. Hayes said, “People often say, ”˜It is just frogs, so who cares?’ Well it […]

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