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Center for Food Safety

More than 140 groups and 365,000 citizens from across the country are urging the U.S. Department of Agriculture (USDA) to reject a Dow Chemical application seeking approval of a controversial genetically engineered (GE) corn that is resistant to the hazardous herbicide 2,4-D. In addition to the public comments, 143 farm, environmental, health, fisheries groups and companies will submit a letter to USDA Secretary Tom Vilsack expressing their overwhelming opposition to this crop. The comments and letter will be submitted when USDA’s public comment period ends on April 27.

“American agriculture stands at a crossroads. One path leads to more intensive use of old and toxic pesticides, litigious disputes in farm country over drift-related crop injury, less crop diversity, increasingly intractable weeds, and sharply rising farmer production costs,” said Andrew Kimbrell, executive director of the Center for Food Safety. “This is the path American agriculture will take with approval of Dow’s 2,4-D resistant corn, soybeans and the host of other new herbicide-resistant crops in the pipeline. Another path is possible, but embarking upon it will take enlightened leadership from USDA.”

According to agricultural scientist Dr. Charles Benbrook, widespread planting of 2,4-D resistant corn could trigger as much as a 30-fold increase in 2,4-D use on corn by the end of the decade, given 2,4-D’s limited use on corn at present. Overall 2,4-D use in American agriculture would rise from 27 million lbs. today to more than 100 million lbs. 2,4-D soybeans and cotton would boost usage still more. Yet USDA has provided no analysis of the serious harm to human health, the environment or neighboring farms that would result.

“It’s clear that this new generation of GE herbicide-resistant seeds is the growth engine of the pesticide industry’s sales and marketing strategy,” said Marcia Ishii-Eiteman, senior scientist at Pesticide Action Network. “These seeds are part of a technology package explicitly designed to facilitate increased, indiscriminate herbicide use and pump up chemical sales.”

In addition, 35 medical and public health professionals have signed a letter to USDA warning of the severe health harms that would likely accompany the massive increase in 2,4-D use, expected to accompany approval of the GE seed. “Many studies show that 2,4 D exposure is associated with various forms of cancer, Parkinson’s Disease, nerve damage, hormone disruption and birth defects,” said Wenonah Hauter, executive director of Food & Water Watch. “USDA must take these significant risks seriously and reject approval of this crop.”

American farmers are also rightly concerned that the introduction of 2,4-D resistant corn will threaten their crops. 2,4-D drift is responsible for more episodes of crop injury than any other herbicide. Last week, a coalition representing more than 2,000 farmers and groups filed petitions with the USDA and the EPA, asking USDA to conduct a thorough environmental review before making a decision on approving 2,4-D resistant corn and EPA to convene an advisory panel to examine impacts from increased application of the herbicides.

“Farmers are on the front lines of this potential chemical disaster,” said Iowa conventional corn and soybean farmer George Naylor. “Conventional farmers stand to lose crops while organic farmers will lose both crops and certification, resulting in an economic unraveling of already-stressed rural communities. I’m also very concerned about the further pollution of the air and water in my community.”

“USDA must stand up for those growing America’s food and put their interests, and the public’s, ahead of chemical companies’ profits,” added Margot McMillen, an organic farmer in Missouri. Hers is the message of farmers who spoke on this issue at an April 26 national telepress conference organized by the National Family Farm Coalition.

Dow’s 2,4-D resistant corn is a clear indication that first-generation GE, herbicide-resistant crops—specifically Monsanto’s Roundup Ready (RR) varieties—are rapidly failing. RR crops, which comprise 84 percent of world biotech plantings, have triggered massive use of glyphosate (Roundup’s active ingredient) and an epidemic of glyphosate-resistant “superweeds.”

Though Dow claims 2,4-D crops are the solution to weed resistance a recent peer-reviewed study published in the prestigious journal Bioscience concludes that these new GE crops will pour oil on the fire. The study, entitled Navigating a Critical Juncture for Sustainable Weed Management, suggests new GE crops will trigger an outbreak of still more intractable weeds resistant to both glyphosate and 2,4-D.

2,4-D drift and runoff also pose serious risk for environmental harm. The U.S. Environmental Protection Agency (EPA) and the National Marine Fisheries Service have found that 2,4-D is likely having adverse impacts on several endangered species, including the California red-legged frog, the Alameda whipsnake, and Pacific salmon, via impacts on their habitats and prey.

“EPA recently denied our petition to ban or control 2,4-D, putting their head in the sand instead of protecting people and plants,” said Mae Wu, a health attorney at the Natural Resources Defense Council (NRDC). “If USDA now grants Dow’s application, farmers, gardeners, wildlife and kids will all face even greater exposure to this toxic herbicide.”

If approved, the Center for Food Safety has vowed to challenge USDA’s decision in court, as this novel GE crop provides no public benefit and will only cause serious harm to human health, the environment, and threaten American farms.

The groups submitting public comments to USDA include the Center for Food Safety, Pesticide Action Network, Food & Water Watch, Food Democracy Now, the National Family Farm Coalition, Organic Farming Research Foundation, the Organic Consumers Association, SumOfUs.org, the Sierra Club and the Natural Resources Defense Council.

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Institute for Responsible Technology

Dow Chemical is currently requesting unprecedented approval from the U.S. Department of Agriculture (USDA) to market a genetically engineered (GE) version of corn that is resistant to 2,4-D, a major component of the highly toxic Agent Orange. Agent Orange was the chemical defoliant used by the U.S. in Vietnam, and it caused lasting ecological damage as well as many serious medical conditions in both Vietnam veterans and the Vietnamese.

Exposure to 2,4-D has been linked to major health problems that include cancer (especially non-Hodgkin’s lymphoma), lowered sperm counts, liver disease and Parkinson’s disease. A growing body of evidence from laboratory studies shows that 2,4-D causes endocrine disruption, reproductive problems, neurotoxicity and immunosuppression. Furthermore, tests within the industry show that 2,4-D is contaminated with dioxins, a group of highly toxic chemical compounds that bioaccumulate, so even a minute amount can accumulate as it goes up the food chain, causing dangerous levels of exposure. Dioxins in Agent Orange have been linked to many diseases, including birth defects in children of exposed parents—and, according to the U.S. Environmental Protection Agency (EPA), 2,4-D is the seventh largest source of dioxins in the U.S.

USDA approval of Dow’s GE corn will trigger a big increase in 2,4-D use—and our exposure to this toxic herbicide. Yet the USDA has not assessed how much exposure will increase, nor analyzed the resulting impacts on public health, the environment or neighboring farmers (2,4-D is prone to drift and cause damage to nearby crops). Instead, the agency has once again bowed to the pesticide industry by giving preliminary approval to still another pesticide-promoting crop that will likely harm people and their children, including farmers, and the environment. The USDA claims to be adhering to a scientific process, yet they are blatantly ignoring the science on 2,4-D.

Tell the USDA to reject 2,4-D resistant GE corn—Sign the petition today.

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EcoWatch Daily Newsletter

Pesticide Action Network

Responding to a study released last week highlighting the increased resistance of weeds to glyphosate, and the potential introduction of new corn varieties genetically engineered (GE) to be used with more highly toxic weedkillers, farmers are calling on the U.S. Department of Agriculture (USDA) to take action to protect rural economies.

If USDA deregulates 2,4 D resistant corn, farmers will once again shoulder the cost of the failed promise of GE crops.

“Widespread planting of 2,4-D corn will inevitably lead to a surge in the herbicide’s use,” said George Naylor, an Iowa corn and soybean farmer. “This will not only have adverse effects on public health from air and water pollution, but will also pose another economic risk to Midwest farmers whose non-2,4-D resistant crops will take the brunt of more herbicide drift."

The study in last week’s edition of Bioscience projects greatly increased herbicide use and collateral damage to nearby, non-resistant crops and wild habitat. 2,4-D is well understood to drift, both directly after it is applied and through volatilization, drift that takes place long after an application. As a result, farmers growing their products within miles of cornfields where 2,4-D is applied could face crop losses and serious financial hardship. In addition, organic farmers could lose their certification for years if their fields are contaminated.

Authors of the article, relying in part on industry analysis, note that use of 2,4-D and dicamba herbicides, first used during World War II, are expected to increase ten fold over the next decade. Dow AgroSciences is the driving force behind 2,4-D-resistant seeds, while Monsanto, the dominant manufacturer of glyphosate-resistant seeds, is collaborating with the European industry giant BASF (soon moving to the U.S.) in engineering dicamba-resistant seeds. And other pesticide and biotech firms have similar products in the pipeline. For years, Dow, Monsanto, and the rest of the “Big 6”, have argued that genetically engineered crops result in reduced pesticide use or can even “resist” drought, though with little to no documented success, according to independent scientists.

“Genetically engineered, herbicide-resistant seeds are the growth engines of the pesticide industry’s market strategy,” said Dr. Marcia Ishii-Eiteman, PhD, senior scientist at Pesticide Action Network. “Repackaging antiquated pesticides as new solutions for Midwest economies is a disaster waiting to happen.”

The study also ties the increase in herbicide use to the decline of sustainable weed management. The authors note that USDA has increased funding at major universities for chemically-intensive methods while at the same time decreasing funding for agroecological methods—such as cover cropping, crop rotation and limited tillage—that are successful at improving weed control and reducing weed pressures.

At the same time, weed scientists have been raising red flags around the impending problems of resistance, the reliance on the “pesticide treadmill” and the need to invest in sustainable weed control, or Integrated Weed Management.

"It is only going to get worse," said Lee Van Wychen, director of science policy at the Weed Science Society of America in a Reuter’s interview.

The Weed Society of America just announced it will focus its May 2012 meeting on finding solutions to herbicide resistance. However, concerns remain about Monsanto’s efforts to undermine science and promote the next wave of GE technology, including 2,4-D and dicamba.

"I'm convinced that this is a big problem," said Dave Mortensen, professor of weed and applied plant ecology at Penn State University. "Most of the public doesn't know because the industry is calling the shots on how this should be spun."

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