WIUM Tristates Public Radio

Roundup

File: Grant Gerlock/Harvest Public Media

After court documents unsealed Tuesday raised questions about its research methods, chemical giant Monsanto said it did not ghostwrite a 2000 study on the safety of glyphosate, the active ingredient in its flagship pesticide Roundup.

Grant Gerlock/Harvest Public Media

After dueling reviews of research studies, scientific panels from the U.S. government and the World Health Organization are having a hard time agreeing whether glyphosate, the most common weed killer in the United States, can cause cancer. Known by the brand name RoundUp, glyphosate is sprayed on farm fields and lawns all across the country.