"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."

"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."

"Hampton Roads Sanitation District, based in Virginia Beach, has agreed to pay a $900,000 civil fine and to take action to reduce alleged sanitary sewer overflows from its collection system and nine sewage treatment plants that have polluted the Chesapeake Bay and its tributaries."

"An early version of Senate climate legislation obtained today by E&E confirms that Sens. Barbara Boxer (D-Calif.) and John Kerry (D-Mass.) largely plan to follow the path their Democratic colleagues pursued in the House-passed climate bill."

"Dirty water from residential washing machines is a significant source of a toxin polluting Puget Sound, according to a study released Tuesday."

"Victims of the tsunami that swept across the South Pacific had only minutes to escape the deadly waves and in some cases didn't receive alerts of danger, despite years of work to upgrade early-warning systems across the region."

"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."

"Global investment in clean technology roared back in the third quarter, driven by solar power and a public offering that underscores growing enthusiasm for the sector, Greentech Media reported on Monday."