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A 15-month-old puma kitten who had been feared dead is actually looking quite healthy.
Inyo County's Planning Commission just threw a curveball that may prove a game-changer for desert solar energy.
The more water we take out of the Delta, the more imperiled Chinook salmon runs become -- and that's bad news for the orcas that depend on them.
Think those December rains fixed the state's drought? Think again.
The EPA's feedback may cause the Desert Renewable Energy Conservation Plan's authors even more work.
Owners of the nation's largest existing solar tower power plant seem to be having trouble keeping it online.
Scary-high levels of benzene are in fracking wastewater sites. Why has California not stopped this from happening?
The group is calling on the feds to require wind firms to get permits to kill protected bird species.
Turkey vultures are turning up comatose in wildlife clinics, and a widely used euthanasia drug seems to be the culprit.
Inyo County has approved a plan to allow off-road vehicles on paved roads, but two conservation groups are suing to block the plan.
Ralph Cornell had a great idea a century ago that can help reduce our dependence on imported water: plant a native landscape.
An extremely thin "paper" made of silicon may offer a way to store a lot more electrical power in common batteries.