News tagged with central valley

Wild bee decline threatens US crop production

The first national study to map U.S. wild bees suggests they're disappearing in many of the country's most important farmlands—including California's Central Valley, the Midwest's corn belt, and the Mississippi River valley.

dateDec 21, 2015 in Ecology
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Two major US aquifers contaminated by natural uranium

Nearly 2 million people throughout the Great Plains and California live above aquifer sites contaminated with natural uranium that is mobilized by human-contributed nitrate, according to a study from the University of Nebraska-Lincoln.

dateAug 17, 2015 in Environment
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