Tree-killing pathogen traced back to California

Genetic detective work by an international group of researchers may have solved a decades-long mystery of the source of a devastating tree-killing fungus that has hit six of the world's seven continents.

Air quality in San Joaquin Valley improving according to study

(Phys.org) —Air quality in California's San Joaquin Valley, which for years has been ranked as one of the worst in the United States has improved over the past decade and looks to improve even more in the future. Speaking ...

Irrigation wastewater can help salvage damaged soils

Agricultural producers on the west side of California's San Joaquin Valley (WSJV) used to drain irrigation wastewater into Kesterson Reservoir, a series of holding ponds that were part of the San Luis National Wildlife Refuge. ...

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 ...

Foot of snow blankets parts of Midwest, disrupts travel (Update)

A major winter storm dumped more than a foot of snow on parts of the middle of the country while another system blanketed parts of the Southwest with snow, disrupting travel for a second consecutive day Tuesday and shuttering ...

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