Environment: EPA finally agrees to study impacts of common pesticides on 1,500 endangered species

Crop dusting.

Settlement with watchdog group may be the first step in limiting applications of harmful chemicals

Staff Report

FRISCO — Under legal pressure, the EPA last week agreed to begin a far-reaching evaluation of how some of the most commonly used pesticides affect more than 1,500 endangered plants and animals.

The study, to be completed by 2020, could be the first step toward limiting the use of atrazine and glyphosate. The EPA will also analyze the impacts of propazine and simazine, two pesticides that are chemically similar to atrazine.

“This settlement is the first step to reining in the widespread use of dangerous pesticides that are harming both wildlife and people,” said Brett Hartl, endangered species policy director at the Center for Biological Diversity. “Atrazine, for instance, chemically castrates frogs even in tiny doses, is an endocrine disruptor, and likely causes birth defects in people. The EPA should have banned this years ago.”

The EPA has allowed nearly unchecked use of the dangerous chemicals for decades, despite legal requirements and the well-documented risks of pesticides to thousands of imperiled species, not to mention people.

A series of lawsuits by the Center for Biological Diversity has forced the agency to consult on the impacts of scores of pesticides on some endangered species, primarily in California, and resulted in temporary restrictions on pesticide use in sensitive habitats.

Up to 80 million pounds of atrazine are used in the United States each year. In addition to causing severe harm to endangered species, atrazine exposure may be linked to increased risks of thyroid cancer, reproductive harm and birth defects in people.

A recent study showed that children whose mothers were exposed to atrazine had an increased risk of birth defects. Atrazine is the second most commonly used pesticide after glyphosate, more commonly known as Monsanto’s Roundup.

“This settlement will finally force the EPA to consider the impacts of glyphosate — widely known as Roundup — which is the most commonly used pesticide in the United States, on endangered species nationwide,” said Hartl. “With more than 300 million pounds of this stuff being dumped on our landscape each year, it’s hard to even fathom the damage it’s doing.”

Glyphosate has also been linked to the decline of many wildlife species, including the monarch butterfly. The EPA has never completed any endangered species assessments of glyphosate at any point over the lifetime of this chemical on the market.

The agency last evaluated the general ecological impacts of glyphosate in 1993, when approximately 10 million pounds were applied annually. The increase in use within the United States has come with the widespread adoption of herbicide-tolerant, genetically engineered crops such as corn and soy. The World Health Organization recently declared glyphosate a probable human carcinogen.

Last year the Center entered a nationwide settlement with the U.S. Fish and Wildlife Service requiring the agency to analyze impacts on endangered species across the country from five dangerous pesticides — carbaryl, chlorpyrifos, diazinon, malathion and methomyl — that have been found to be toxic to wildlife and may pose a health risk to humans.

Today’s settlement follows a similar framework and will require the EPA to begin the consultation process on these chemicals.


2 thoughts on “Environment: EPA finally agrees to study impacts of common pesticides on 1,500 endangered species

  1. Humans will become an endangered species if we don’t stop using glyphosate on food. We have already done the needed experiment by feeding food laced with glyphosate to the whole population. The results are in in the form of runaway chronic diseases. glyphosate is an antibiotic wgich poisons our gut bacteria. The effects are dramatic but slow.: obesity, Autism, Alzheimers, Parkinsons, diabetis and heart disease. The 100 trillion cells in our gut bacteria co-evolved with us and perform very important functions. We should immediately stop spraying it on our wheat just befote harvest.

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