Prized Pollinators: Honey Bee Population Faces Serious Decline
Honey bees pollinate a quarter of America's food, yet in recent years have been dying at a rate the government says is economically unsustainable.
Beekeepers use a bee smoker to calm bee colonies before transferring them to another crop after pollinating a blueberry field near Columbia Falls, Maine on June 23. ADREES LATIF / Reuters
