(PhysOrg.com) -- Pyrethroids, among the most widely-used home pesticides, are winding up in California rivers at levels toxic to some stream-dwellers, possibly endangering the food supply of fish and other aquatic animals, ...
Environment
Feb 2, 2010
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(AP) -- California's two longest rivers have been named the country's most endangered waterways because of outdated water management and poor flood planning, according to an environmental advocacy group.
Environment
Apr 7, 2009
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In its fight against invasive aquatic plants in the Sacramento-San Joaquin River Delta, the California State Parks' Division of Boating and Waterways says it will begin a regiment of herbicide treatments that will last through ...
Ecology
Feb 23, 2024
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Mountains are capped with record snowpack, rolling hills are covered in a rainbow of wildflowers, reservoirs are filled to the brim, and rivers are rushing with snowmelt.
Earth Sciences
May 18, 2023
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After a relentless three months of heavy rain and snow, California is facing yet another environmental threat—sunny skies and balmy weather.
Earth Sciences
Apr 5, 2023
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Gov. Jerry Brown's plan to route much of California's mightiest river into two massive tunnels poses new perils for salmon and other struggling native species, but could give them a couple of breaks as well, experts and project ...
Ecology
Jul 1, 2017
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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 ...
Environment
Oct 22, 2016
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Farmers along the river delta at the heart of California agriculture expected to get an answer Friday on their surprise offer to give up a quarter of their water this year in exchange for being spared deeper mandatory cutbacks ...
Environment
May 22, 2015
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California has allocated five times more surface water than the state actually has, making it hard for regulators to tell whose supplies should be cut during a drought, University of California researchers reported.
Environment
Aug 20, 2014
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California's water problems and the ecological pressure on the West Coast's largest estuary will intensify in a warming world, according to a first-of-its-kind scientific study.
Environment
Nov 3, 2011
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