More than a million people had by Sunday signed a petition urging the French government to ditch a law allowing the reintroduction of a banned pesticide known to kill bees. The so-called "Duplomb law" has stirred public anger for permitting a return of acetamiprid -- a chemical known to be toxic to pollinators such as bees and to ecosystems. It was adopted on July 8 but has not yet come into effect.