News tagged with river valleys

Major California river adding key ingredient: water

A decade ago, environmentalists and the federal government agreed to revive a 150-mile stretch of California's second-longest river, an ambitious effort aimed at allowing salmon again to swim up to the Sierra Nevada foothills ...

dateOct 22, 2016 in Environment
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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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