Seventy-six million. U.S. farms are doused with that many pounds of the herbicide atrazine every year. That's a lot of any chemical — and scientists link this one to birth defects, infertility and the "chemical castration" of frogs.
Next week, EPA's science advisors will wrap up a 2-year process of rethinking atrazine, based on the latest studies of its health and environmental harms. People across the country will be watching closely to see just what happens next. So, without a doubt, will the Syngenta corporation.