“Sex-Changing Herbicide Makes Amphibians Sick, Too,” Wired

Reports on the health risks of atrazine for amphibians. Sexual deformities are just one problem. Scientists also observe weaker immune systems after exposure to the chemical, leaving frogs more vulnerable to disease. Published March 2, 2010.



“Common herbicide might affect frogs,” The Washington Post

One of the herbicides most widely used to fight a broad range of weeds in cornfields and on other cropland appears to affect the sexual development of frogs when it gets into the waterways in which they live.” Published January 12, 2010.


Original and Breaking Research

Abstract from Tyrone Hayes at National Academy of Sciences of USA

Endocrine-Disrupting Chemicals: An Endocrine Society Scientific Statement

Government Studies, Policies or Reference Materials

ToxFAQ, Dept. of Health & Human Services: What is Atrazine?

USGS: Estimate Atrazine Concentrations With This Interactive Model and Mapping Tool

Trends in Concentrations and Use of Agricultural Herbicides for Corn Belt Rivers, 1996-2006

Popular Press

It’s Time to Learn From FrogsNew York Times

Weed Killer ‘Castrates’ Male Frogs, Study Says – CNN

Frogs: The Thin Green Line – PBS

What Can You Do to Help the Frogs? – PBS

Online Coverage

Common Weed Killer Causes Feminization of Frogs, Study Says – Yale e360 Digest

Atrazine Turning Frog Princes into Frog Princesses? – Frogs Are Green

A Field of Nightmares? Atrazine, Corn and Frogs – Frogs Are Green