"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."

"A federal judge on Monday dismissed most of a lawsuit filed against chemical giant DuPont Co. by Parkersburg (W.Va.) residents over the pollution of their city's water with the toxic chemical C8."

"New research raises questions about the safety of eating wild game, and triggers a renewed debate about banning lead ammunition."

"The US Environmental Protection Agency is recommending that owners of older buildings – including schools – test brittle, aging masonry and window caulking for high levels of likely cancer-causing chemicals."

"Waterways across the upper Midwest are increasingly plagued with ugly, smelly and potentially deadly blue-green algae, bloomed by drought and fertilizer runoffs from farm fields, that's killed dozens of dogs and sickened many people."

"More than 50 years after nearly being wiped out in eastern U.S. forests by a deadly imported fungus, the American chestnut may be on the comeback trail."

"Exelon, one of the country’s largest utilities, said Monday that it would quit the United States Chamber of Commerce because of that group’s stance on climate change."