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EPA Could Ban Atrazine, America's Second Most Common Herbicide

Environmental Groups Concerned About Endocrine Disrupting Chemical

For Immediate Release
Return to the Press Releases Homepage

Washington, DC, September 14, 2011 - The US Environmental Protection Agency (EPA) today announced it is seeking public comments regarding a potential ban on Atrazine, one of the most widely used herbicides in the United States. The chemical, produced by Swiss agrochemical company Syngenta, has been banned in the European Union since 2004, but 80 million pounds of it are applied in the USA each year. Atrazine is the most commonly detected pesticide in American groundwater. It is used primarily on corn, sugarcane, rice, sorghum and on golf courses and lawns. The EPA’s call for comments appeared in today’s Federal Register, and was prompted by over 60,000 petition signatures and emails received from supporters of the nonprofit groups Save The Frogs, Center for Biological Diversity and Natural Resources Defense Council.

Atrazine is a potent endocrine disruptor that has been shown to cause immunosuppression, hermaphroditism and even complete sex reversal in male frogs at concentrations as low as 2.5 parts per billion. The chemical has been linked to reproductive defects in fish and prostate and breast cancer in laboratory rodents, and epidemiological studies suggest it is carcinogenic to humans. Atrazine is extremely persistent in the environment: it is still detectable in France 15 years after its last usage there. Over half a million pounds of Atrazine return to the Earth each year in rain and snow after it is caught in the airstream following spraying.

Atrazine has been under serious scrutiny over the past several years as an abundance of scientific literature on its harmful effects have been published by scientists at the USGS, the University of California, Berkeley and the University of South Florida. More recently, activists gathered at the steps of the EPA’s headquarters in Washington, DC to raise awareness of the disappearance of amphibians and call for a federal ban on Atrazine on the occasion of the international Save The Frogs Day (April 29th, 2011). Amphibian populations worldwide have been declining at unprecedented rates, and nearly one-third of the world's amphibian species are threatened with extinction. “Atrazine is the 21st century’s DDT” says Dr. Kerry Kriger, Founder & Executive Director of SAVE THE FROGS!, America’s first and only public charity dedicated to protecting amphibians. Dr. Kriger led the Save The Frogs Day Rally and hand-delivered 10,012 petition signatures to the EPA’s Pesticide Division the following week.

“Now that we have the EPA’s attention, we are a large step closer towards protecting our food supply, our drinking water and our wildlife from this known endocrine-disruptor”, says Dr. Kriger. “However, only a few percent of Americans have ever heard of Atrazine, so raising awareness of the issue is critical if we are to overcome the lobbying power of the billion-dollar agro-chemical giants”. Atrazine is produced by Syngenta, the world’s largest pesticide company, who reported over $11 billion in revenues in 2010.

Info and scientific publications on Atrazine:

Info on the April 29th, 2011 Save The Frogs Day Rally:

Info on the Petition Delivery:

View the Federal Register entry from the EPA:


Kerry Kriger, Ph.D.
SAVE THE FROGS! Founder, Executive Director and Ecologist
Phone: (831) 621-6215


Any photo from can be used; credit should be given to High resolution images available upon request.


SAVE THE FROGS! ( is America’s first and only public charity dedicated to amphibian conservation. The mission of SAVE THE FROGS! is to protect amphibian populations and to promote a society that respects and appreciates nature and wildlife.