WASHINGTON — A major pesticide harms honeybees when used on cotton and citrus but not on other big crops like corn, berries and tobacco, the Environmental Protection Agency found.

By Seth Borenstein, Associated Press

Commercial beekeepers across America have been struggling with great numbers of bee deaths over the past few years. What’s behind their failing health? Some research points to a class of pesticide that’s coated onto a large proportion of corn and…

By PBS NewsHour

Seeds are big business in Hawaii, where large biotech companies develop genetically modified crops. Megan Thompson reports on a battle being waged on the island of Kauai by residents who say growing practices like pesticide use are hazardous to public…