The White House announced an action plan Tuesday aimed at reversing dramatic declines in pollinators like honeybees, which play a vital role in agriculture, pollinating everything from apples and almonds to squash. Joe Raedle/Getty Images hide caption

itoggle caption Joe Raedle/Getty Images

A honeybee forages for nectar and pollen from an oilseed rape flower. Albin Andersson/Nature hide caption

itoggle caption Albin Andersson/Nature

The U.S. Geological Survey found that neonicotinoids are leaching into streams and rivers in the Midwest, including the Missouri River, shown here in Leavenworth, Kan. Dean Bergmann/iStockphoto hide caption

itoggle caption Dean Bergmann/iStockphoto