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Atrazine Exposure Leads to More Male, Fewer Female Frogs

Thursday, October 19th, 2017

(Beyond Pesticides, October 19, 2017) Exposure to the second most commonly used herbicide in the U.S., atrazine, results in a higher proportion of male frogs in populations of Blanchard’s cricket frogs, according to researchers from Ohio’s Miami University. While it may be ostensibly easy to dismiss the results of this study as limited to a single frog species, the Blanchard cricket frog, with its populations concentrated in heavily farmed Midwestern states, is likely an important indicator of broader ecological impacts. Ultimately, only a transition away from toxic herbicides and towards integrated organic systems will successfully address the ongoing effects of industrial agrichemicals on amphibians. Miami researchers exposed frogs to varying concentrations of atrazine, 0.1, 1, and 10 μg/L, in the laboratory, in order to investigate sex ratios and potential effects on survival of the population. Although no significant effects were seen on survival rate during the course of the study, sex ratios were significantly altered at the 0.1 and 10 μg/L exposure concentrations. At these levels, populations developed 51 and 55% fewer males respectively than control frogs. Researchers point out that such significant results seen at such low concentrations likely indicates that sex ratios are also skewed in the wild. […]

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Herbicide Atrazine Found to Affect Health Across Multiple Generations

Wednesday, September 27th, 2017

(Beyond Pesticides, September 27, 2017) Adverse health effects caused by exposure to the widely used herbicide atrazine pass down from parents to their children through multiple generations, according to new research published by scientists at Washington State University. This burgeoning area of study on ‘transgenerational’ impacts calls into question the current methodology for assessing toxicity and risk from chemical exposure. With the current U.S. regulatory system permitting food and communities to be awash in toxic pesticides, the results of the study have grave implications for future generations. Scientists began their research by exposing rats to atrazine while still in the womb. The parents of these rats were the F0 generation, while their atrazine exposed offspring were F1. Rats in the F1 generation did not exhibit any incidence of disease or adverse health, however they had lower weights than F1 rats in the control group that were not exposed to atrazine. F1 rats were then bred to produce the F2 generation. Although rats in the F2 generation were never exposed to atrazine, they displayed a range of diseases. Males exhibited early onset puberty, diseases of the testis, and mammary tumors. Females exhibited mammary tumors and decreased body weight when compared to […]

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Glyphosate Stresses Tadpoles to Produce More Venom

Wednesday, August 9th, 2017

(Beyond Pesticides, August 9, 2017) Common toad tadpoles express more venom when chronically exposed to glyphosate herbicides, a study published last month in Proceedings of the Royal Society B indicates. Glyphosate, an increasingly controversial chemical found in Roundup brand herbicides produced by Monsanto, has been linked to a range of adverse impacts in both wildlife and people. The results of this research indicate a need to reduce the use of glyphosate in our environment to ease chronic stressors to sensitive wildlife like amphibians. Scientists tested the effects of formulated glyphosate products on toad tadpoles through experiments in a laboratory setting, as well as a mesocosm, a controlled outdoor environment that replicates natural conditions. Tadpoles in the lab were split into a series of groups which were each exposed to varying levels of glyphosate, some for the duration of the experiment, and others for 9 day periods during different stages in their development. For mesocosm tadpoles, researchers set up large plastic tubs and created small self-sustaining ecosystems with pond water and beech leaves. Glyphosate herbicides were added to certain tubs at either low or high concentrations. Both lab and mesocosm experiments had control tadpoles not exposed to any glyphosate herbicides. Tadpoles […]

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Pesticide Caused Disruption of Ecological Balance Increases Parasitic Disease`

Wednesday, July 19th, 2017

(Beyond Pesticides, July 19, 2017) Research connects a healthy environment to overall public health, linking diseases to pesticide caused disruption of ecological balance. A new study, published by University of South Florida scientist Jason Rohr, PhD and colleagues, finds that the use of agricultural chemicals, predominantly in developing countries, is associated with increases in transmission risk for schistosomiasis, a disease caused by infection from a parasitic flatworm that lives in freshwater snails. The findings point to the need for an increased focus on alternative pest management approaches that promote, rather than degrade natural ecological services. Previous research published by Dr. Rohr and colleagues found that amphibians exposed to pesticides had higher rates of parasitic infection, and increased fertilizer use resulted in an increase in algae that snail parasite hosts feed on. For the current study, researchers investigated the human epidemiologic risks associated with common farm chemicals. To investigate pesticide effects on the ecosystem, scientists used mesocosms, an experiment designed in a controlled outdoor environment that replicates natural conditions. Algae, parasite-carrying snails, and snail predators (crayfish and water bugs) were added to a series of 60 tanks set up by researchers. The ecological effects of introducing chemical fertilizer, the herbicide atrazine, and insecticide chlorpyrifos […]

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European Union Plans to Propose a 10-year Extension for the Approval of Glyphosate Use

Friday, May 19th, 2017

(Beyond Pesticides, May 19, 2017) In spite of a growing body of evidence implicating glyphosate in a wide range of human illnesses and environmental impacts, the European Union (EU) plans to propose a 10-year extension for the approval of glyphosate use. Previously, the European Commission (the Commission), which is in charge of the approval, was forced to issue a limited license extension for the chemical because member states could not reach a consensus. The Commission was holding out for further information on carcinogenicity, which was assessed by the European Chemicals Agency (ECHA), and whose report was issued in March 2017. According to ECHA’s assessment, glyphosate is not carcinogenic. Glyphosate is the active ingredient in Monsanto’s Roundup brand of weed-killers, and research by the World Health Organization’s International Agency for Research on Cancer (IARC) has found that it is a probable human carcinogen. Since IARC’s findings were released, Monsanto has made several efforts to discredit the research of this well respected, international body, including attempting to influence government agencies. According to a Bloomberg BNA article, “The commission will discuss with EU member nations the prospect of a 10-year reauthorization, said Anca Paduraru, spokeswoman for the commission.” Once the Commission proposes the […]

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Study Finds Neonicotinoids in Water Straight from the Tap

Thursday, April 6th, 2017

(Beyond Pesticides, April 5, 2017) A new study, Occurrence of Neonicotinoid Insecticides in Finished Drinking Water and Fate during Drinking Water Treatment, has detected neonicotinoids, a class of insecticides known for their detrimental effects on bees, in treated drinking water. This marks the first time that these insecticides have been found in water sourced straight from the tap. Federal regulators have not yet addressed safe levels of neonicotinoids in drinking water, so at this point, any detection of these chemicals is cause for concern. The study authors “report for the first time the presence of three neonicotinoids in finished drinking water and demonstrate their general persistence during conventional water treatment.” Drinking water samples “collected along the University of Iowa treatment train” over a seven week period, May through July, 2016 directly after corn and soy planting, find three neonicotinoids, clothianidin, imidacloprid, and thiamethoxam at levels ranging from 0.24 to 57.3 ng/L (nanogams per liter). The University of Iowa tap water is run through a water treatment plant that uses conventional treatment methods.  In contrast, the Iowa City water treatment methods (granular activated carbon filtration) result in substantially lower levels of the neonicotinoids. Additionally, the researchers found that extensive transformation of clothianidin […]

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Study Finds Pesticide Use Does Not Increase Profits for Farmers

Friday, March 10th, 2017

(Beyond Pesticides, March 10, 2017) A French study published last week has found that higher pesticide use does not mean larger profits, demonstrating that farmers can reduce their usage of pesticides without worrying about their profits being affected, in most cases. Similar studies have shown that organic and conventional yields are comparable, supporting the case for farmers to transition from high pesticide use to healthier, safer, and more profitable alternatives. The study, led by Martin Lechenet, a PhD student with the French National Institute for Agricultural Research, looked at data from 946 French farms, including yields, pesticide application rates, soil characteristics, and local climate conditions. The researchers then used a model to focus on the relationship between pesticide application rates and productivity or profitability. They found that, in 77% of the farms, higher pesticide use was not linked to a higher profit. The researchers then estimated that pesticide use could be reduced by 42% without any negative effects on current profit levels in 59% of farms in their national network. According to the researchers, their results demonstrate the ability to reduce pesticide usage for most farmers in current production situations. In addition, other studies support the finding that farmers do not have […]

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Study Shows Impact of Neonicotinoids in Amphibians

Monday, March 6th, 2017

(Beyond Pesticides, March 6, 2017) A study published last month by Canadian researchers finds that exposure to the neonicotinoid insecticide imidacloprid at environmentally relevant levels results in slight delays in metamorphosis in the tadpoles of the wood frog. While the authors find that this slight delay is not necessarily a cause for concern from an ecological perspective, sublethal effects of pesticide mixtures and a variety of stressors in the environment play a role in extending juvenile periods in frogs, which can increase mortality and population decline. Because neonicotinoids are so widely use, the authors recommend further research on their impact on declining frog populations. The study, published in Environmental Toxicology and entitled, “Sublethal effects on wood frogs chronically exposed to environmentally relevant concentrations of two neonicotinoid insecticides,” looks at the chronic exposure effects of the neonicotinoids imidacloprid and thiamethoxam on the wood frog (Lithobates sylvaticus). The wood frog was chosen because it is native to North America and has a wide distribution across the continent. The researchers exposed tadpoles to environmentally relevant concentrations (1ug/L, 10ug/L and 100ug/L) of the commercial formulation of the neonicotinoids (Admire and Actara). The study finds a significant difference in time for tadpoles to metamorphose. Tadpoles exposed […]

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Herbicide Atrazine Affects Estuarine Phytoplankton Productivity, Threatens Aquatic Life

Tuesday, January 3rd, 2017

(Beyond Pesticides, January 3, 2017)  A study published in December 2016 in Environmental Contamination and Toxicology, entitled The Effect of Atrazine on Louisiana Gulf Coast Estuarine Phytoplankton, finds that phytoplankton in estuaries in close proximity to agricultural operations are less productive than phytoplankton in an uncontaminated environment. The study examines three different estuaries of the Mississippi river in Louisiana and also evaluates microcosms with different concentrations of atrazine. Phytoplankton, incredibly important to estuary ecosystems and aquatic life, are an integral part of the aquatic food web and ultimately critical to the wild seafood market. As photosynthetic microorganisms, phytoplankton harness the sun’s energy for metabolism and create as a byproduct of photosynthesis dissolved oxygen, which oxygen-breathing sea life require. For the study, the researchers created microcosms, or large containers that are able to closely mimic ecosystems, so that they can observe the effects of independent variables. On average, phytoplankton in the microcosms are less productive at producing chlorophyll a in the presence of atrazine. The microcosm study design is important because it is difficult to separate and measure the effects of chemicals like atrazine in the environment, given the range of potential causes of phytoplankton decline. A variety of factors, like freshwater discharge rates, precipitation, […]

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EPA Revises Process, But Maintains Proposal to Stop Use of Neurotoxic Chlorpyrifos in Agriculture

Tuesday, November 15th, 2016

(Beyond Pesticides, November 15, 2016) Last week, the U.S. Environmental Protection Agency (EPA) updated its assessment of the toxic organophosphate insecticide chlorpyrifos, keeping in place a decision made last year to revoke food residue tolerances and effectively eliminate its use in agriculture. The agency indicated the change was necessary after a Scientific Advisory Panel convened by the agency suggested additional data to support its decision. This change opens up a 60-day public comment period, but EPA has said that it will make a final decision no later than March 31, 2017. “The revised analyses indicate that expected residues of chlorpyrifos on food crops exceed the safety standard under the Federal Food, Drug, and Cosmetic Act (FFDCA),” EPA noted in its announcement.  “In addition, the majority of estimated drinking water exposures from currently registered uses, including water exposures from non-food uses, continue to exceed safe levels even taking into account more refined drinking water exposures. “ To explain the decision to the public, EPA has put together a FAQ page on its website. EPA’s proposal to revoke chlorpyrifos’ food tolerances stems from a petition and lawsuit filed by the Natural Resources Defense Council and Pesticide Action Network North American nearly ten […]

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In Letter to EPA on Atrazine Hazards, House Republicans Challenge Science, Call the Weedkiller Safe

Monday, November 7th, 2016

(Beyond Pesticides,  November 7,  2016) In a letter  last week on the widely used weedkiller  atrazine, Rep. Ken Buck (R-CO) and 105 of his colleagues told Gina McCarthy, administrator of the U.S. Environmental Protection Agency (EPA), that, “It would be irresponsible to greatly restrict one of the safest and most trusted herbicides on the market.” The  letter was triggered by EPA’s release in June of its  draft  Ecological Risk Assessment on atrazine, which found levels of concerns exceeded by as much as 200-fold for some organisms. Lawmakers indicated that the draft assessment in its present form, “Would have a significant impact on farmers and rural communities nationwide.” Despite a wealth of information to the contrary, they claim that restricting the use of atrazine would put an unnecessary financial burden on farmers. Atrazine, produced by Syngenta,  is the second-most widely used pesticide in the U.S., with over 73 million pounds applied each year. While Rep. Buck claims that atrazine is a safe chemical, years of research shows that the chemical poses unacceptable risks to human health and the environment.  Once applied, the chemical often washes into surface water and leaches into groundwater. Water contamination issues spurred community water utilities  across the […]

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Genetically Engineered Crops Fail to Increase Yields and Reduce Pesticide Use, Exposé Reveals

Tuesday, November 1st, 2016

(Beyond Pesticides, November 1, 2016) A report published this weekend in The New York Times finds that the shift to genetically engineered (GE) crops in the United States and Canada over the past two decades has increased the use of pesticides in North America, and failed to produce any significant yield increases. When the technology was first introduced, multinational agrichemical companies claimed just the opposite would occur- yields would spike and pesticide use would be minimized. As far back as 1998, Beyond Pesticides asked, “Is the failed pesticide paradigm being genetically engineered?” As the Times and numerous other publications before it have found, the answer was and still is yes. The far-ranging expose by the Times on the state of the GE industry used publicly available data from the United Nations to compare yields between that of Europe and North America. Their data show “no discernible advantage in yields — food per acre” for the United States and Canada over Western Europe during the time of GE crop adoption. A comparison between rapeseed yields in Canada and Western Europe shows increases in both regions, with Europe’s yields consistently higher, independent of the use of GE crops. For corn, gains in […]

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Take Action to Ban Atrazine: EPA Must Protect Wildlife!

Friday, September 16th, 2016

(Beyond Pesticides, September 16, 2016) Tell EPA to ban all uses of atrazine in the United States! Atrazine, widely used on food and feed crops, golf courses, and residential lawns, is a potent endocrine disruptor that is  strongly associated with birth defects, cancer, sex reversal and hermaphroditism in many different animals. The European Union and other countries have banned atrazine, however EPA continues to put U.S. citizens and the environment in harm’s way, allowing nonstop use of this toxic chemical. Sign Beyond Pesticides’ petition to ban atrazine by October 5, 2016. Atrazine is the second-most widely used pesticide in the U.S., with over 73 million pounds applied each year. Atrazine has washed into surface water and leached into groundwater, spurring community water utilities  across the U.S. to file class-action lawsuits to remove the pesticide from drinking water supplies. Even at levels established as “safe” or acceptable by EPA drinking water standards, atrazine is linked to endocrine-disrupting effects. EPA is not adequately assessing the effects of atrazine by using high dose testing models, which are not appropriate for hormonally-active substances  that  often show effects at minute doses. Studies by Tyrone Hayes, Ph.D., University of California, Berkeley,  and others have shown that […]

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GE Crops Lead to Increase in Toxic Herbicide Use

Thursday, September 8th, 2016

(Beyond Pesticides, September 8, 2016)  According to  a study  published last week by scientists at Iowa State, genetically engineered (GE) crops have not lived up to their promise to reduce pesticide use, and have instead led to an increase in toxic herbicide usage. The research, led by Edward Perry, Ph.D., found “clear evidence of increasing herbicide use by [GE] variety adopters over time for both soybeans and maize,” a finding that they credited partly to the emergence of weed resistance. The detailed dataset analyzed came from the company, GfK Kynetec, which conducts surveys of randomly selected farmers to assess decisions about pesticide and seed choices. The farm-level dataset that the researchers used was collected over the years 1998-2011 and includes a yearly average of 5,424 corn farmers and 5,029 soybean farmers. One striking trend that was noted since 1998 was the increase in the use of  glyphosate, the active ingredient in Monsanto’s Roundup. As of 2011, glyphosate was the primary herbicide used on soybeans, with just over 80% of total herbicide applied, and in corn it made up 40% of herbicide use, representing close to a 20-fold increase since 1998. Marketed as Roundup and other trade names,  glyphosate  is a […]

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Fighting Zika – Growing Concerns over Pesticide Resistance

Friday, August 5th, 2016

(Beyond Pesticides, August 5, 2016) Concerned health officials in Miami, Florida are investigating suspicions that Zika-spreading mosquitoes have become resistant to the pesticides commonly used synthetic pyrethroid insecticides used in mosquito control. As the region works to contain a Zika outbreak in northern Miami, officials are beginning to recognize that broadcast pesticide applications are not effective at controlling populations, and are looking into cases in the U.S.  and in other parts of the world of mosquitoes developing resistance to chemical controls, or whether other factors are at work. At the same, the broadcasting of the pesticides by truck and plane and the resulting exposure to people and the environment also raise serious health issues. The Aedes aegypti mosquito, which has the ability to live indoors and reproduce even in tiny pools of water, is the primary way the Zika virus is spread, although there are reports that the disease can also be transmitted through sexual contact. Zika virus has been linked to cases of microcephaly, in which babies are born with underdeveloped brains. The virus has been detected in several Latin American countries, including Brazil where the outbreak was first observed and linked to increased cases of microcephaly. However, locally […]

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Mixtures of Multiple Pesticide Ingredients in Products Not Evaluated by EPA for Elevated Toxicity

Thursday, July 21st, 2016

(Beyond Pesticides, July 21, 2016) An investigative report released yesterday by Center for Biological Diversity (CBD) concludes  that, over the past six years, the U.S. Environmental Protection Agency (EPA) has approved nearly 100 pesticide products with chemical mixtures that elevate the formulations’  toxicity, but are not specifically evaluated  by the agency. CBD finds that these formulations add  more stress to already-jeopardized pollinators and rare plants. The report Toxic Concoctions: How the EPA Ignores the Dangers of Pesticide Cocktails, highlights a long-running blind spot within EPA’s pesticide evaluation program, which Beyond Pesticides has long sounded the alarm on: the risk associated with combining mixtures of different pesticide active ingredients, which independent science shows may be more toxic than a single active ingredient by itself, also known as pesticide synergism. The mixtures occur as a result of multiple ingredients in individual products or  because of exposure to multiple pesticide product residues in food, air, water, and land areas, such as lawns, playing fields, and parks. “It’s alarming to see just how common it’s been for the EPA to ignore how these chemical mixtures might endanger the health of our environment,” said Nathan Donley, Ph.D., a scientist with the CBD, and author of […]

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Common Pesticide Exposure Alters Behavior of Fish and Amphibians

Tuesday, July 19th, 2016

(Beyond Pesticides, July 19, 2016) Exposure to common pesticides at levels often found in the environment can have subtle but significant impacts on the behavioral health of fish, amphibians and other aquatic invertebrates. According to researchers at Northern Arizona University, who analyzed data from nearly 40 experiments to reach their conclusion, fish and amphibians swam 35% slower and were 72% less active after pesticide exposure. Chemical Class Type Example Pesticides Carbamates Insecticide Carbaryl, Aldicarb Organochlorine Insecticide DDT, Endosulfan, Chlordane Organophosphates Insecticide Diazinon, Chlorpyrifos Organotins Biocide Tributyltin Phosphonoglycines Herbicide Glyphosate, Glufosinate Pyrethroids Insecticide Permethrin, Bifenthrin, Esfenvalerate Triazines Herbicide Atrazine, Simazine The study, published in Science of the Total Environment, found that the overall effect on aquatic wildlife varied based on the chemical class the animals encountered. While pyrethroids, carbamates, and organophosphates resulted in a significant decrease in swim speed, triazines and phosphonoglycines showed no overall effect. Pyrethroids, carbamates, organophosphates, organochlorines, and organotins decreased activity, while phosphonoglycines had no overall effect, and triazines actually increased activity. “I didn’t think that we would see [an effect] across such a wide range of pesticides so consistently, but we did,” said study co-author, Catherine Propper, PhD to KNAU, “and that leads to some concerns about […]

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California to List Atrazine and Other Triazine Weedkillers to Prop 65 as Reproductive Toxicants

Wednesday, July 13th, 2016

(Beyond Pesticides, July 13, 2016) California’s Office of Environmental Health Hazard Assessment (OEHHA) has announced that atrazine, its chemical cousins,  propazine,  simazine,  and its break down triazine compounds des-ethyl atrazine (DEA),  des-isopropyl atrazine (DIA)  and  2,4-diamino-6-chloro-s-triazine (DACT)  would be added to the list of chemicals known to the state to cause reproductive toxicity for purposes of the state’s Proposition 65. The formal listing has been delayed and will not be effective until July 15, 2016 due to litigation from the manufacturer, Syngenta, which opposes the listing. In 2014 the state announced its Notice of Intent to list the triazines: atrazine, propazine, simazine and their breakdown products under Proposition 65 — the state’s law on toxic chemicals. The listing of these chemicals was initially to be effective on August 3, 2015. However, Syngenta, manufacturer of atrazine, challenged the listing decision, leading to a delay in the formal decision. Syngenta Crop Protection v OEHHA  (Sacramento Superior Court case#34-2014-800001868). Syngenta’s challenge was unsuccessful and now the official listing can move forward, in spite of Syngenta’s pending appeal. The six chemicals will now be known as reproductive toxicants in the state of California effective July 15, 2016. See listing notice. http://oehha.ca.gov/media/downloads/crnr/listingnoticetriazines070516.pdf Proposition 65, officially […]

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Glyphosate Approval in EU Up in the Air

Friday, June 10th, 2016

(Beyond Pesticides, June 10, 2016) A proposal for a temporary ‘technical extension’ of the EU approval of the herbicide glyphosate failed to secure the support of a majority of EU governments at a meeting of the EU standing committee on plants, animals, food and feed on Monday. This action may force the withdrawal of the herbicide, widely sold as Monsanto’s Roundup, from shelves if no decision is reached by the end of the month, when its license expires. After a proposal to renew the license for glyphosate for up to 15 years failed to win support in two meetings earlier this year, the EU executive offered a limited 12 to 18 month extension to allow time for further scientific study. Yet, despite this compromise, the proposal failed to win the support of member states representing at least 65% of the EU’s population, which is needed for adoption, an EU official told The Guardian. Seven member states abstained from Monday’s vote, 20 backed the proposal and one voted against, a German environment ministry spokeswoman said. According to the news source, Germany was among those that abstained from Monday’s vote. Of note is that Bayer, the German chemical company, recently offered to […]

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Public Comment Needed to End Atrazine Use after EPA Confirms Threat to Wildlife

Wednesday, June 8th, 2016

(Beyond Pesticides, June 8, 2016) With years of data documenting the harmful impacts of the herbicide atrazine on aquatic organisms and other wildlife, a recent U.S. Environmental Protection Agency (EPA) assessment now concludes that this widely used chemical poses risks to fish, amphibians, aquatic invertebrates, and even birds, reptiles and mammals. Atrazine is a potent endocrine disruptor with strong associations with birth defects, sex reversal and hermaphroditism in organisms, and whose risk to environmental and human health is exacerbated by pervasive surface, ground and drinking water contamination. Last week, EPA released its triazine ecological risk assessments for atrazine and its chemical cousins simazine, and propazine. The assessments evaluated risks to animals and plants including, amphibians, birds, mammals, fish, reptiles, aquatic invertebrates, aquatic plant communities, and terrestrial plants.  EPA is currently in the registration review process for these chemicals. For atrazine, EPA concludes, “aquatic plant communities are impacted in many areas where atrazine use is heaviest, and there is potential chronic risks to fish, amphibians, and aquatic invertebrate in these same locations. In the terrestrial environment, there are risk concerns for mammals, birds, reptiles, plants and plant communities across the country for many of the atrazine uses.” Levels of concerns were […]

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Congress Cites Zika Virus in Effort to Attack Water Protections

Thursday, May 19th, 2016

(Beyond Pesticides, May 19, 2016) Using fear without facts, Congress is yet again attempting to gut Clean Water Act (CWA) provisions that protect waterways and communities from excessive pesticide pollution. In a move that was blasted by House Democrats this week, HR 897  (which was introduced as the Reducing Regulatory Burdens Act of 2015) was renamed the  Zika Vector Control Act, despite the fact that the bill does not actually do anything to address the threat of Zika. The legislation was defeated Tuesday on a suspension vote, 262-159, however the bill will be going to the Rules Committee on Monday, with anticipated House floor activity on Tuesday, May 24. (Take action: urge your representative to oppose HR 897.) “In a brazenly political act, the Republican leadership is trying to mask gutting the Clean Water Act as having something to do with fighting Zika,” Drew Hammill, spokesman for House Minority Leader Nancy Pelosi (D-CA), said in a statement to The Hill. “This bill has nothing to do with Zika and everything to do with Republicans’ relentless special interest attacks on the Clean Water Act,” he said. “It will do nothing to stem the growing threat of the Zika virus.” The bill […]

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The Controversy Heats Up on the Cancer Causing Properties of Roundup

Wednesday, May 18th, 2016

(Beyond Pesticides, May 18, 2016) The controversy continues on glyphosate’s (Roundup) cancer causing properties, as some question the influence of the chemical industry and Monsanto, Roundup’s manufacturer, on newly announced  findings, according to The Guardian.  A joint review by the United Nations (UN) and World Health Organization (WHO) on  glyphosate, released this week,  seems to contradict earlier findings (at least based on food exposure) of the International Agency for Research on Cancer (the preeminent scientific body on carcinogenesis in the world), which classified Roundup as a “probable human carcinogen.” The Guardian disclosed, “Professor Alan Boobis, who chaired the UN’s joint FAO/WHO meeting on glyphosate, also works as the vice-president of the International Life Science Institute (ILSI) Europe. The co-chair of the sessions was Professor Angelo Moretto, a board member of ILSI’s Health and Environmental Services Institute, and of its Risk21 steering group too, which Boobis also co-chairs.  In 2012, the ILSI group took a $500,000 donation from Monsanto and a $528,500 donation from the industry group Croplife International, which represents  Monsanto, Dow, Syngenta and others, according to documents obtained by the US right to know campaign. Boobis was not able to comment on the issue, and ILSI’s office in Washington […]

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Study Finds Low Levels of Roundup Cause Adverse Effects to Soil Health

Friday, May 13th, 2016

(Beyond Pesticides, May 13, 2016)  Raising questions about Roundup’s (glyphosate) effects on soil health, a study published last month shows that the chemical  is toxic to soil fungus at doses well below levels which are recommended for agricultural use. The commercial formulation of Roundup is  more toxic than technical active ingredient,  glyphosate, highlighting the need to evaluate  full formulation  effects, including  so-called inert ingredients. The study, published in Environmental Science and Pollution Research, looked at Roundup’s effects on  a soil fungus, Aspergillus nidulans. Researchers found that a dilution of Roundup at a rate 100 times less than that  allowed in agricultural production corresponded with 50% mortality of the fungus. A dose only 50 times lower than the recommended application rate for agricultural uses resulted in 100% mortality of the fungus. Even at the median lethal dose (LD50) and lower concentrations, researchers saw impaired growth, cellular polarity, endocytosis and mitochondria (impaired average number, volume and metabolism). The study also found that Roundup has an effect on the soil fungus’ ability to break down nutrients for energy use. Rather than depleting mitochondrial activity, as found in animal cell studies, researchers found a stimulation of mitochondrial activity in the fungal cells, indicating a […]

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