"Whenever solar power is mentioned, critics are quick to note -- when there's no sun, there's no power. Lester Graham talked with the author of a report who says one type of solar power can store energy."

A massive sweep by drug enforcement agents in Fresno County offered new evidence of how illegal marijuana plantations on public lands are scarring the Sierra landscape.

The NAACP last week adopted a resolution supporting clean energy development, curbs on greenhouse gas emissions, and policies to foster green collar jobs.

French scientists say satellites show a glacier on a southern Indian Ocean island shrunk dramatically in recent decades. They think global warming may be a factor.

"A coalition of three nonprofit water protection groups are jointly requesting that the Washington Department of Ecology 'abandon its plans to weaken industrial stormwater protections.'"

Fumes from long-ago industrial activity are still seeping into the homes of some Baltimore-area residents. Those fumes include cancer-causing chemicals like trichloroethylene and perchloroethylene. The site was one of the first Superfund cleanups, but the cleanup was not thorough enough.

"The $28 billion styrene industry has filed a lawsuit in Sacramento Superior Court to block California environmental officials from listing the product as a cause of cancer and birth defects."

Fuel barges on the Columbia River are having more accidents, although none so far has resulted in a known spill. The Coast Guard refuses to disclose information about the incidents, citing investigations which it has not completed in periods of up to 16 months.