A crop duster sprays a field with pesticides. Former USDA scientist Jonathan Lundgren says that he has been persecuted by the agency because his research points out problems with popular pesticides. iStockphoto hide caption

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Peponapis pruinosa is a species of bee in the tribe Eucerini, the long-horned bees. This bee relies on wild and cultivated squashes, pumpkins, gourds and related plants. Wikimedia/USDA hide caption

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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

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Pollinator Politics: Environmentalists Criticize Obama Plan To Save Bees

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

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Buzz Over Bee Health: New Pesticide Studies Rev Up Controversy

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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

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