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Daily News Blog

Archive for the 'Glyphosate' Category


02
Oct

Whistleblower Leads Oregon Agencies to Issue Violations for Pesticide Spraying

(Beyond Pesticides, October 2, 2015) Twelve worker safety violations are categorized as “serious” and result in thousands of dollars in fines. Highly toxic pesticides should not be sprayed on workers, but that is what Oregon-based company Applebee Aviation did to a number of its employees, according to the Oregon Department of Agriculture. On September 30, the Department, which is responsible for regulating state and federal pesticide laws, issued a citation revoking the Applebee’s operating license in the state of Oregon and levying a fine of $1,100. The same day, Oregon Occupational Safety and Health Division (OR-OSHA) cited Applebee Aviation for 12 serious violations of worker safety and protection laws and fined the company $8,850. The crackdown came after Darryl Ivy, who worked as an Applebee Aviation hazardous materials truck driver, became a whistle blower and reported  on dangerous and unsafe practices he witnessed during numerous aerial spray operations. Ivy recorded videos of the illegal activities on his cell phone before he went to an emergency room for treatment of illness due to pesticide exposure. “I had sores and rashes, was spitting up blood and felt very sick after three weeks on the job,” said Mr. Ivy. “I’ve worked in a […]

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18
Sep

Sublethal Glyphosate (Roundup) Exposure Harms Bees

(Beyond Pesticides, September 18, 2015) Glyphosate’s harmful effects continue to accumulate, this time with evidence pointing to toxic and sublethal effects on bees. According to a new study conducted by German and Argentinian researchers, honey bees exposed to low levels of glyphosate have a hard time returning home. Glyphosate, the  controversial and toxic active ingredient in Monsanto’s Roundup, is an herbicide widely used on genetically-engineered (GE) crops as well as on parks and golf courses, for control of weeds and grasses. Along with neonicotinoids, which have been linked to worldwide bee decline by a growing body of science, glyphosate is just another chemical in the toxic mixture that bees and other non-target organisms are constantly exposed to in the environment. In the study, titled “Effects of sublethal doses of glyphosate on honeybee navigation” and published in the Journal of Experimental Biology, researchers evaluate the effects of recommended concentrations of glyphosate used in agricultural settings on honey bee navigation and found that a single exposure to a concentration of glyphosate within this range delays the return of the foraging honey bee to the hive. Flight trajectories were also affected after successive exposure to the herbicide, suggesting that the spatial learning process […]

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10
Sep

California to List Glyphosate (Roundup) as Cancer-Causing

(Beyond Pesticides, September 10, 2015) Last week, California Environmental Protection Agency’s Office of Environmental Health Hazard Assessment (OEHHA) announced that it intended to list glyphosate (Roundup) and three other chemicals as cancer-causing chemicals under California’s  Safe Drinking Water and Toxic Enforcement Act of 1986 (Proposition 65). Glyphosate  is a phosphanoglycine herbicide that inhibits an enzyme essential to plant growth. Under California law, Proposition 65 requires that certain substances identified by the International View postAgency for Research on Cancer (IARC) be listed as known cancer-causing chemicals. In March, a study by the IARC classified glyphosate as a Group 2A material, which means that the chemical is carcinogenic based on sufficient evidence of carcinogenicity in experimental animals. The agency considered the findings from an EPA Scientific Advisory Panel report, along with several recent studies in making its conclusion. However, industry supporters of glyphosate all over the globe are conducting their own studies to attempt to prove that it is not a carcinogen. These studies, like one by German Federal Institute for Risk Assessments (BfR), are based almost solely on industry science and classified industry reports, each of which might not consider critical variables. With more glyphosate-focused studies being released, the growing evidence […]

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01
Sep

Kidney, Liver Damage Linked to Chronic, Low-Dose Glyphosate Exposure

(Beyond Pesticides, September 1, 2015) A  research study published in the journal Environmental Health  links chronic, ultra-low dose exposure to glyphosate in drinking water to adverse impacts on the health of liver and kidneys. The study, Transcriptome profile analysis reflects rat liver and kidney damage following chronic ultra-low dose Roundup exposure, is the latest in a string of data showing unacceptable risks resulting from exposure to glyphosate and products formulated with the chemical, like Monsanto’s Roundup. Researchers conducted the study by exposing rats to minute (0.1 parts per billion) doses of Roundup in drinking water for a period of 2 years. After noting tissue damage and biochemical changes in the blood and urine of exposed animals that was indicative of organ damage, the authors attempted to confirm their findings by analyzing changes in gene expression within liver and kidneys. Of 4,447 gene transcript clusters analyzed by scientists, 4,224 showed some alteration. Compared to non-exposed rats, “[t]here were more than 4,000 genes in the liver and kidneys whose levels of expression had changed,” said Michael Antoniou, PhD, senior author of the study to Environmental Health News. Authors indicate that the changes in gene expression observed in the study are associated with […]

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17
Aug

Roundup Damages Earthworms and Soil Biota, Contributes to Nutrient Pollution

(Beyond Pesticides, August 17, 2015) A study published in Scientific Reports has found that glyphosate, the controversial and toxic active ingredient in Roundup, reduces activity and reproduction in two species of earthworms and increases soil nutrient concentrations to dangerous levels. Earthworms are excellent indicators of soil health, and provide vitally important  ecosystem services  by aerating the soil, cycling nutrients, and increasing soil fertility and microbial activity. The findings are especially alarming because this herbicide has been used globally for decades, and its  use has  grown exponentially.  Earlier this spring, the WHO’s International Agency for Research on Cancer (IARC) classified glyphosate as Group 2a “probable” human carcinogen based on sufficient evidence of carcinogenicity in laboratory animals. Researchers looked at two species of earthworms: vertically burrowing earthworms (Lumbricus terrestris) and soil dwelling earthworms (Aporrectodea caliginosa). Vertically burrowing earthworms typically feed above ground at night and then burrow close to the surface during the day. Soil dwelling earthworms live and feed in the soil, rather than at the surface. Vertically burrowing earthworms engage in what is known as casting, which is when they ingest soil and extract nutrients from plant litter and other organic matter, emerge from their burrows, and deposit their waste […]

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12
Aug

Town of Plattsburgh, NY Tackles Pesticides and GMOs in Non-Binding Resolution

(Beyond Pesticides, August 12 2015) Last week, the City of Plattsburgh, New York, unanimously approved a policy that encourages city departments and city residents to reduce and eventually eliminate their use of toxic pesticides, such as neonicotinoids and glyphosate. In the same resolution, city residents and department heads are also encouraged to refrain from genetically modified organism (GMO) cultivation, though they recognize there is very little of that taking place within Plattsburgh city limits. While this policy can only be used to discourage the use of pesticides and GMOs, not implement an outright ban, due to preemptive New York state law that occupies the field of pesticide regulation, city officials are hopeful that they will be able to use their influence to implore the state of New York and U.S. legislators to take statewide and nationwide measures on the production of GMO crops and to curb the use of toxic pesticides. The language of the resolution, sponsored by Councilman Mike Kelly, cites the health of honey bees and other insects as one of the main reasons for encouraging citizens to refrain from the use of pesticides in the practice of lawn care and beautification. It also specifically names neonicotinoids as […]

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30
Jul

USDA Allows Introduction of 2,4-D-Tolerant GE Cotton in Response to Roundup Resistance

(Beyond Pesticides, July 30, 2015) Despite concerns for human and environmental contamination, the U.S. Department of Agriculture (USDA) adds 2,4-D-tolerant cotton, a genetically engineered (GE) crop, to the list of unregulated GE crops, joining 2,4-D resistant corn and soybeans. Last week, the Animal and Plant Health Inspection Service (APHIS) division of USDA released its decision on Dow AgroSciences’ petition to deregulate the 2,4-D resistant GE cotton. The decision was signed off by Michael J. Firko, the Deputy Administrator of Biotechnology Regulatory Services. In September of last year, Deputy Firko also signed the determination paperwork that deregulated GE corn and soybean. The deregulation essentially releases the GE organism from the regulatory requirements of 7 CFR part 340 or the plant pest provisions of the Plant Protection Act. Dow’s GE cotton, part of the Enlist Weed Control System, is resistant to 2,4-D choline, glufosinate, and glyphosate. Growers in the cotton industry have been vying for the GE cotton to enter the market in order to combat herbicide-resistant weeds due to the broad scale use of Monsanto’s RoundUp (glyphosate), which continues to fail across the agricultural industry due to weed resistance. Glyphosate is a phosphanoglycine herbicide that inhibits an enzyme essential to plant […]

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22
Jul

Carcinogenic Glyphosate Linked to DNA Damage, as Residues Are Found in Bread

(Beyond Pesticides, July 22, 2015) Months after the World Health Organization (WHO) formally associated the world’s most widely used herbicide  -glyphosate (Roundup)- with cancer, one of the world’s leading experts on cancer risk, and co-author of the WHO’s report, Christopher Portier, PhD, told a scientific briefing in London that the herbicide can damage human DNA, which could result in increased cancer risks. This finding comes on the heels of a call by the Soil Association for a United Kingdom (UK) ban on the use of glyphosate after finding residues of the chemical in bread. Earlier this spring, the WHO’s International Agency for Research on Cancer (IARC) classified glyphosate as Group 2a “probable” human carcinogen based on sufficient evidence of carcinogenicity in laboratory animals. Since then industry has hit back defending its champion product, even attempting to undercut the WHO’s findings with an industry-based  assessment that reached the opposite conclusion, based on classified industry reports.  Now an internationally recognized scientist, Dr.  Portier, former associate director, National Institute of Environmental Health Sciences, (NIEHS) and director of the Office of Risk Assessment Research at NIEHS, reiterated WHO’s findings at the UK Soil Association scientific briefing in Westminster on July 15. During his presentation, […]

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20
Jul

Monsanto-Supported Group Attempting to Undercut Roundup Cancer Finding, According to Report

(Beyond Pesticides, July 20, 2015) In response to  the recent cancer classification of glyphosate (Roundup)  by the International Agency for Research on Cancer (IARC), the specialized cancer agency of the World Health Organization,  an industry-based  assessment has reached the opposite conclusion based on classified industry reports has concluded that Monsanto’s glyphosate is not carcinogenic.   According to The Guardian, the assessment by the German Federal Institute for Risk Assessments (BfR) is based almost solely on industry science and classified industry reports. Three scientists on Germany’s scientific panel on pesticides work for the pesticide industry. Monsanto objected earlier this year, when IARC announced in a preliminary report that glyphosate is a probable human carcinogen based on laboratory animal studies. BfR and IARC’s findings have been released during a pivotal time, as a decision on whether to extend the license for glyphosate’s use in Europe is currently pending, and these studies are sure to be incorporated into the decision making process. According to The Guardian, the European Food Safety Authority (EFSA) is delaying the release of its  opinion on glyphosate to take the full IARC report into account. The Guardian reports that BfR’s research relied heavily on unpublished reports provided by the […]

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30
Jun

EPA Solicits Public Input on Protecting Monarchs from Herbicide Impacts

(Beyond Pesticides, June 30, 2015) As the Monarch butterfly suffers serious decline, the U.S. Environmental Protection Agency (EPA) is considering  the role of  herbicides in killing the iconic species’ food source, milkweed, and developing an action plan that may fall short. The agency identified possible action that it may take to slow the Monarchs’ decline in a document released last week entitled Risk Management Approach to Identifying Options for Protecting the Monarch Butterfly (Monarch Approach document). EPA’s approach to Monarch conservation comes shortly after the White House released its National Pollinator Health Strategy, intended to “reverse pollinator losses and help restore populations to healthy levels.” The U.S. Fish and Wildlife Service is also in the midst of conducting a review of the Monarch butterfly to determine whether the species is eligible for protection under the Endangered Species Act. The number of Monarchs reaching their winter breeding grounds in Mexico has fallen by 90% in less than 20 years. This year’s population was the second lowest since surveys began two decades ago. The critical driver of this decline has been linked to the loss of milkweed, the only plant on which Monarchs will lay their eggs, along their migration route, which […]

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25
Jun

Atrazine and Glyphosate To Be Analyzed by EPA for Impacts on 1,500 Endangered Species

(Beyond Pesticides, June 25, 2015) The U.S Environmental Protection Agency (EPA) announced Tuesday that it will analyze the effects of two of the most commonly used pesticides in the United States, glyphosate and atrazine, along with atrazine chemical-cousins propazine and simazine, for their impacts on 1,500 endangered plants and animals. The announcement marks an agreement between EPA and Center for Biological Diversity (CBD) on a proposed settlement amending a 2010 court order that  established a schedule to complete effects determinations for 75 chemicals on 11 species in the San Francisco (SF) Bay Area. According to EPA, 59 of the 75 pesticides have been evaluated and subject to  effects determinations, however for the remaining 16 pesticides, EPA and CBD agreed that it would be more efficient and environmentally significant to complete nationwide effects determinations, rather than limit their focus to the SF bay area listed species. The agency has committed to completing the assessments by June 2020. The initial lawsuit was filed by CBD in May 2007 against EPA for violating the Endangered Species Act by registering and allowing the use of scores of toxic pesticides in habitats for 11 San Francisco Bay Area endangered species without determining whether the chemicals […]

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24
Jun

Popular Weed Killer 2,4-D and Lice Treatment Lindane Classified as Carcinogens

(Beyond Pesticides, June 24, 2015) The International Agency for Research on Cancer (IARC) has found that there is some evidence in experimental animals that the popular herbicide, 2,4-D, is linked to cancer and now classifies it as a Group 2B, “possibly carcinogenic to humans.” IARC also classified lindane, used commonly in the U.S. as a topical lice treatment, in Group 1,“carcinogenic to humans” based on sufficient evidence in humans with the onset of non-Hodgkin lymphoma (NHL). These latest cancer findings come just months after the agency classified the world’s most widely used herbicide, glyphosate (Roundup), as “probably carcinogenic to humans,” raising public concerns on the lack of action from U.S. regulators. This month, 26 experts from 13 countries met at the World Health Organization’s (WHO) IARC in Lyon, France to assess the carcinogenicity of the insecticide lindane, the herbicide 2,4-D, and insecticide DDT. The findings are published in the Lancet. The new IARC findings come months after the agency classified glyphosate, the ingredient in the popular Roundup weed killer, as a Group 2A “probable” carcinogen, citing sufficient evidence of carcinogenicity based on laboratory studies. This decision sparked renewed calls for the U.S. Environmental Protection Agency (EPA) to take action on […]

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23
Jun

Air Force Veterans Who Used Agent Orange Contaminated Aircraft May Be Compensated

(Beyond Pesticides, June 23, 2015) After years of denial and obstruction, Air Force and Air Force Reserve veterans now have the chance to receive compensation for their exposure to the highly toxic herbicide Agent Orange on contaminated aircraft used after the Vietnam War. Affected veteran’s health issues stem from their time spent on UC-123 transport planes, which during the war were outfitted with spray equipment in the American military’s attempt to eliminate forest cover for Vietcong fighters. After the war, these aircraft were returned to use in the United States for basic transport operations such as cargo shipping and medical evacuation missions. However, these planes never underwent any form of decontamination or testing before being repurposed. Though the Agent Orange Act of 1991 stipulated medical care and disability coverage for sick veterans who  served in the Vietnam War and were exposed to Agent Orange, those who flew in contaminated post-war planes were deemed ineligible. Prior to this recent announcement from the Department of Veteran’s affairs, government officials asserted that the “dried residues” of Agent Orange were not likely to pose a health threat to aircraft crew. However, a study published by the National Academy of Sciences Institute of Medicine in […]

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16
Jun

France Calls for Ban on Sale of Monsanto Herbicide Roundup in Nurseries

(Beyond Pesticides, June 16, 2015) France’s Ecology Minister Segolene Royal announced Sunday a  call to  stop  the sale of the popular Monsanto herbicide Roundup (glyphosate) from garden centers. The announcement comes just a couple of  months after the active ingredient, glyphosate, was classified in March as “probably carcinogenic to humans” by the United Nation’s International Agency for Research on Cancer (IARC). “France must be on the offensive with regards to the banning of pesticides,” Royal said on French television. “I have asked garden centers to stop putting Monsanto’s Roundup on sale” in self-service aisles, she added. The announcement comes after a request by French consumer association CLCV (Consumption, Housing and Environment – Consommation, Logement et Cadre de vie)  to French and European officials to stop selling glyphosate-based products to amateur gardeners. Royal also announced last week that from January 2018 onwards, phytosanitary products —used to control plant diseases— would only be available to amateur gardeners “through an intermediary or a certified vendor.” Glyphosate is touted as a “low toxicity” chemical and “safer” than other chemicals by EPA and industry and is widely used in food production and on lawns, gardens, parks, and children’s playing fields. However, IARC’s new classification of […]

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15
Jun

DDT Still Pervasive in Small Michigan Town

(Beyond Pesticides, June 15, 2015) A community in central Michigan is still dealing with the fallout of a pesticide company that produced DDT nearly half a century ago. St. Louis, MI, a city about one hour north of the state capital Lansing, has long dealt with contamination left behind by the Velsicol Chemical Corporation, which manufactured pesticides in the town until 1963, when it left  and  abandoned loads of DDT in its wake. DDT, known for accumulating in food webs and persisting for decades in soil and river sediment, was banned in the U.S.  in 1972, but problems associated with its prevalent use until that time still plague the community to this day. This situation  has led to a multi-million dollar clean-up effort at taxpayers’ expense  by Environmental Protection Agency (EPA) and the Michigan Department of Environmental Quality (DEQ). EPA took control of the Velsicol plant as a Superfund site in 1982, but decades-long delays in the cleanup of the old chemical factory have left songbirds, and potentially people at risk nearly thirty years later. After years of complaints from residents, researchers  recently reported  that robins and other birds are dropping dead from DDT poisoning. The dead robins and other […]

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14
May

With Second Highest Honey Bee Losses, Congressional Hearing Ignores Pesticide Effects

(Beyond Pesticides, May 14, 2015) For the first time on record, summer losses of managed honey bee colonies have exceeded winter losses, according to preliminary results of the annual survey released yesterday by the Bee Informed Partnership, the U.S. Department of Agriculture (USDA) and the Apiary Inspectors of America. This is the second highest annual loss recorded to date: beekeepers lost a total of 42.1 percent of the number of colonies managed over the last year (total annual loss, between April 2014 and April 2015), which is up from 34.2 percent for the previous year. On the same day that this survey was released, the  U.S.  House Agriculture Subcommittee on Horticulture, Biotechnology and Research held a hearing on pollinator health, but failed to advance policy solutions that would protect pollinators from the unnecessary use of pesticides. “What we’re seeing with this bee problem is just a loud signal that there’s some bad things happening with our agro-ecosystems,” Keith Delaplane, PhD at the University of Georgia and one of the co-authors of the study told Phys.Org. “We just happen to notice it with the honeybee because they are so easy to count.” About two-thirds of the beekeepers responding to the survey […]

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08
May

Groups Urge Investigation of USDA Censorship of Its Scientists

(Beyond Pesticides, May 8, 2015) A diverse group of environmentalists, beekeepers, farm workers, and advocates, along with Beyond Pesticides, sent a letter to the U.S. Department of Agriculture (USDA) Inspector General and the co-chairs of the White House Task Force on Pollinator Health this Tuesday, urging a thorough investigation into recent reports that USDA scientists are being harassed and censored. The letter expresses particular concern over the suppression of research related to bee-killing neonicotinoid insecticides and glyphosate, a key ingredient in Monsanto’s Roundup, which has been linked to cancer. The White House Task Force on Pollinator Health, co-chaired by USDA, is expected to release a plan on bee protection in the near future; the more than 25 groups, which include farmers, fisheries, and food safety advocates, are concerned that the plan will lack meaningful protections if USDA’s research has been compromised. In March, the Public Employees for Environmental Responsibility Group (PEER), an advocacy group for government researchers, filed a petition for rule-making with USDA seeking new rules to strengthen USDA’s Scientific Integrity Policy, and urging the agency to adopt best practices used in other federal agencies in order to prevent political suppression or alteration of studies. USDA adopted a new […]

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01
May

California Mom Successfully Gets Cancer-Causing Herbicide Eliminated from Community- You Can, Too!

(Beyond Pesticides, May 1, 2015)  A recent success in grassroots activism  comes through Tracy Madlener, a mother of two, who got  her neighborhood in Laguna Hills, California to eliminate the use of Roundup, a widely-used weedkiller. The International Agency for Research on Cancer (IARC), an intergovernmental agency forming part of the World Health Organization (WHO) recently classified Roundup’s active ingredient, glyphosate, as carcinogenic in people based on animal studies. The classification is technically “probably carcinogenic to humans (Group 2A),”  sufficient evidence of carcinogenicity based on laboratory studies. Gravely concerned, Ms. Madlener began her mission to eliminate the use of toxic  Roundup in her neighborhood, with some help from Beyond Pesticides, sharing her progress on a new Facebook page ”˜How to Create a Toxic-Free Community’  along the way. Just five days in she posted a video blog about getting started: organizing, sending emails, making a to-do list, and making phone calls for research purposes. She also built up a network and informed  others in the area, contacted other moms doing similar work to ban harmful chemicals in their areas for advice, spoke with landscapers to  suggest healthier options, researched environmentally- and health-conscious alternatives to Roundup for local use, and made folders […]

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30
Apr

Vermont Wins Legal Challenge to Its GE Labeling Law

(Beyond Pesticides, April 30, 2015) On Monday, a U.S. District Court Judge for the District of Vermont found that the state’s genetically engineered food (GE) labeling law, Act 120, is constitutional under the First Amendment, and thus rejected the motion to stop its implementation. The legal challenge  was brought by the same industrial food companies  —Grocery Manufacturers of America (GMA), Snack Food Association, International Dairy Foods Association, and National Association of Manufacturers  — that  had poured money into defeating the measure, before it overwhelmingly passed in the state legislature. The judge also dismissed a number of the plaintiffs’ claims, including assertions that the law violates the commerce clause and was expressly preempted by federal law. Read the full text of the decision here. Andrea Stander, executive director of Rural Vermont noted, “This decision by the federal court is a strong validation of the three long years that Vermonters worked tirelessly to pass the GMO Food Labeling Bill. We are one step closer to securing our right to know if GMOs are in our food.” Despite overwhelming support for  the passage by the state legislature last year, Act 120, which was the first of its kind in the nation, was met […]

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28
Apr

Chipotle Removes Genetically Engineered Food from Its Menu

(Beyond Pesticides, April 28, 2015) Beginning this week, Chipotle Mexican Grill will stop serving food containing genetically engineered (GE) ingredients. The restaurant’s announcement is the first of any major fast food chain, and fits with the company’s long-held mission of providing its customers “food with integrity.” In 2013, Chipotle also became the first major restaurant chain to label foods it sold that contained GE ingredients, and in 2010 the company announced its support for organic production practices by increasing the percentage of organic ingredients it serves, and committing to eventually transition the entire menu to organic. “Just because food is served fast doesn’t mean it has to be made with cheap raw ingredients, highly processed with preservatives and fillers and stabilizers and artificial colors and flavors,” said Steve Ells, Chipotle’s founder and co-chief executive to The New York Times. Although the meat and dairy served at the chain will still come from animals fed GE grain, the company indicates it will continue to work on the issue. Over 90% of corn and soybeans grown in the United States are GE, making sourcing difficult for larger restaurants. More and more retailers, from restaurants to the grocery aisle, are eliminating foods produced […]

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27
Apr

USDA Falls Short in Strategy to Mitigate Climate Change

(Beyond Pesticides, April 27, 2015) Last week, the United States Department of Agriculture (USDA) announced initiatives and energy programs to reduce greenhouse gas emissions, increase carbon sequestration, and expand renewable energy production in the agricultural and forestry sectors, but failed to stress the importance of moving away from chemical-intensive  agriculture toward organic methods. While the announcement doesn’t specifically mention “organic,” the meaning is still clear: chemical-based agricultural practices have contributed to climate change through heavy use of fossil fuels —both directly on the farm and in the manufacturing of pesticides and fertilizers— and through degradation of the soil, which releases carbon. Now, USDA is suggesting the use of conservation tilling, or no-till practices, along with cover cropping and natural management of organic inputs to the soil — in other words, organic agriculture. USDA outlined ten “building blocks” that aim to lead us away from climate change. The first two of these ten could, if interpreted from an organic practice perspective,  address the necessity to change  chemical-intensive agricultural practices. The first “building block” is soil health. The stated goal is to improve soil resilience, therefore increasing productivity, by promoting conservation tillage or no-till farming. The initiative suggests planting cover crops, planting […]

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21
Apr

Health Canada Mulls Label Changes to Monsanto’s Roundup and other Glyphosate Products

(Beyond Pesticides, April 21, 2015) Last week, Health Canada opened public comments on its reevaluation decision for glyphosate, the active ingredient in Monsanto’s Roundup herbicide. The agency chose to continue allowance of the herbicide, but include some changes to the label of glyphosate-containing products. The decision comes shortly after the International Agency for Research on Cancer determined that the chemical is a human carcinogen based on laboratory animal test data,  and a recent study revealed that glyphosate accelerates antibiotic resistance. Health Canada’s label changes include the following: A requirement for a statement indicating to apply only when the potential for drift to residential or populated areas is minimal. This includes houses, cottages, schools and recreational areas A restricted entry interval (REI) of 12 hours for agricultural uses to better protect agricultural workers; New environmental hazard statements to inform users that, at high enough doses, it can be toxic to non-target species; Recommended spray buffer zones to protect non-target terrestrial and aquatic habitats from unintended exposure; and, Precautionary statements to reduce the potential for run off of glyphosate to adjacent aquatic habitats, particularly when heavy rain is forecasted. This includes a recommendation to keep a strip of vegetation between the treatment […]

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30
Mar

Common Herbicides Linked to Antibiotic Resistance

(Beyond Pesticides, March 30, 2015) Last week, following the World Health Organization’s (WHO) declaration that glyphosate is carcinogenic to humans  based on animal studies, a new study was published in the American Society of Microbiology’s journal, mBio, linking glyphosate, 2,4-D and dicamba to antibiotic resistance after testing the sub-lethal effects of these pesticides in certain bacteria. The new mBio study finds  that when bacteria, specifically Salmonella and E. coli, are exposed to the herbicides described above, they responded differently to the common antibiotics ampicillin, ciprofloxacin, chloramphenicol, kanamycin, and tetracycline. Researchers replicated real-world scenarios by purchasing weed killers from a local store and using the exact levels that are specified on the product label. This provided researchers with the opportunity to observe how the bacteria reacted when exposed to the herbicides at sublethal levels; that is, those that did n0t kill them. When the bacteria are exposed to the herbicides and the antibiotics at the same time, the exposure to the herbicides trigger a defense mechanism that otherwise would not have been triggered solely by the antibiotics. This defense mechanism seeks to rid the bacteria of toxins and is non-specific, which means while it builds resistance to the toxic effects of […]

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