Roundup: Birth Defects Caused By World's Top-Selling Weedkiller, Scientists Say

Roundup: Birth Defects Caused By World's Top-Selling Weedkiller, Scientists Say

WASHINGTON -- The chemical at the heart of the planet’s most widely used herbicide -- Roundup weedkiller, used in farms and gardens across the U.S. -- is coming under more intense scrutiny following the release of a new report calling for a heightened regulatory response around its use.