"Unwilling to wait for Congress to act, the Obama administration announced on Wednesday that it was moving forward on new rules to regulate greenhouse gas emissions from hundreds of power plants and large industrial facilities."

"If birds hosting flu virus are exposed to the waterborne pollutant, they might develop drug-resistant strains, chemists worry."

"In what is being touted as the world's biggest dam-removal project, an agreement was reached Tuesday to remove four dams on the Klamath River and restore a 300-mile migratory route for California's beleaguered salmon."

"After months of deliberations, state environmental regulators on Wednesday released long-awaited rules governing natural gas production in upstate New York, including provisions to oversee drilling operations near New York City’s water supplies."

"Sens. Barbara Boxer (D-Calif.), John Kerry (D-Mass.) and nine Senate supporters kicked off the autumn global warming debate today with a campaign-style rally releasing their comprehensive climate bill."

"Nike announced Wednesday that it would resign from the board of the United States Chamber of Commerce, becoming the latest company to break with the group over climate policy."

"Green-technology firms attracted the largest share of venture capital in the third quarter, with global investments rising to $1.59 billion, according to a survey released Wednesday by Cleantech Group and Deloitte & Touche."

"Solar photovoltaic module production world-wide almost doubled in 2008, according to the European Commission's Joint Research Centre's eighth Annual Photovoltaics Status Report."

"Great Lakes water levels could drop by up to two feet by the turn of the century as temperatures rise, according to a recent series of reports released by the Union of Concerned Scientists."

"This fall may prove to be a watershed moment for the parks," as a six-part PBS series by Ken Burns highlights their glories and their problems -- air pollution, a changing climate, and needed upkeep among them.

A new generation of urban, blue-collar environmentalists is waging war over "environmental justice" in the dense, polluted Latino neighborhoods of Los Angeles.

"The Environmental Protection Agency detailed its plans on Tuesday for research into the possible health and environmental risks of nanomaterials, tiny substances that are finding growing use in products like sunscreens and industrial adhesives."

"Bureau of Land Management's proposal for the West Mojave 'does not contain a reasonable range of alternatives' to limit off-road-vehicle routes in the sensitive habitat, the ruling states."

"New Brunswick Power announced today that the company will close its coal-fired Grand Lake generating station when its operating license expires in June 2010."

"With more and more toxic chemicals turning up in people's bodies and the environment, the Obama administration asked Congress Tuesday to draft a tougher law for how the government regulates tens of thousands of chemicals."