"A plan to restore salmon runs on California's Sacramento River could help revive killer whale populations 700 miles to the north in Puget Sound."

The National Climatic Data Center in Asheville, NC, is playing a growing role in understanding weather and climate change.

Terry Tamminen, former environmental advisor to California's Gov. Schwarzenegger, is a key player on global climate change now.

The EPA says North Carolina Has More 'High-Hazard' Sites Than Any Other; the Industry Calls Them Safe.

Urban farmer Will Allen, half a mile from Milwaukee's biggest housing project, is different from others in the good-food movement.

"Studies Are Homing in on Which Particles Polluting the Air Are Most Sickening -- and Why"

Voting with the GOP might seem like an easy political choice for Idaho Democrat Walt Minick. But could it be a problem when he needs clout to help the state?

"Los Angeles will eliminate the use of electricity made from coal by 2020, replacing it with power from cleaner renewable energy sources, Mayor Antonio Villaraigosa said."

Heavy lobbying by companies eager to get a slice of the $23 billion-a-year organic food business is watering down USDA "organic" standards to the point where consumers "are not always getting what they expect: foods without pesticides and other chemicals, produced in a way that is gentle to the environment."

"Proposals to impose 'carbon tariffs' on imported products will violate the rules of the World Trade Organization as well as the spirit of the Kyoto Protocol, China's Ministry of Commerce said."

Heart arrhythmias in females and permanent, deleterious modifications of a gene that plays a pivotal role in reproduction are two new problems being linked to bisphenol A. New findings about the toxicity of this chemical and data suggest human exposures may be higher than U.S. regulatory agencies have assumed.

"The U.S., European Union and 12 of the world's largest nations plan to embrace 'an aspirational goal' of reducing emissions of global-warming gases by 50% by 2050, according to a draft declaration by world leaders set for release next week in Italy."

The Center for Biological Diversity has filed the federal lawsuit on ocean acidification, charging that the EPA has failed to comply with its mandate under the Clean Water Act to protect Washington State’s ocean waters from excessive CO2.

California this week put in place the toughest restrictions in the world on smog from ships, requiring reductions of more than 80 percent of soot from foreign and US ships out to 24 miles from shore. Tankers, cargo vessels and cruise ships burn bunker fuel, which has sulfur content as much as 1,000 times higher than on-road diesel. The US is moving forward to copy California's rules by 2015. Paul Rogers reports in the San Jose Mercury News.

"A judge has ordered Chevron Corp. to stop work on its controversial oil refinery expansion in Richmond, [Calif.], handing environmentalists their biggest victory in a long fight over the project."