The price of tradeable carbon allowances fell on the EU market in response to failure of the U.N. climate talks to deliver strong limits on carbon dioxide emissions.

"Extremely high, potentially unhealthy levels of lead dust have been found in the Allegheny County Health Department's dilapidated office building in Lawrenceville that houses the Childhood Lead Poisoning Prevention Program."

City leaders celebrated the ground-breaking for New Bedford High School in 1970, apparently not knowing the risks of building it on a toxic dump.

"The two U.S. producers of the toxic flame retardant decabromodiphenyl ether (decaBDE) ... and the largest U.S. importer of this chemical ... today announced commitments to phase out the chemical in the United States."

"Experts say the 10 million gallons of untreated wastewater that poured into Puget Sound off Magnolia last week, while unacceptable, pales when compared with the toxic insults legally funneled into the Sound every day."

"One in 110 American children are considered to fall somewhere along the autism spectrum, according to the latest report released by the federal government. The new figure, which was released initially in October, comes from the most comprehensive set of data yet on the developmental health of eight-year-olds."

"Today, as the anniversary of the Kingston mess approaches, the battle over potential new rules to protect coalfield communities and the environment from the dangers of toxic coal ash is just getting started."

"It was the slap heard 'round the coalfields: Cordelia Ruth Tucker, wearing the fluorescent-striped shirt of a miner, strode past West Virginia state troopers and into a stream of marchers protesting mountaintop removal mining to deliver an audible smack."

"COPENHAGEN — By early Saturday morning, the atmosphere at the European Union pavilion at the Bella Center had turned funereal."

"When two weeks of climate negotiations finally wound to an overtime finish in Copenhagen, the goal of a new binding treaty to combat global warming still looked elusively far away. And, even for climate activists, the question was: 'Is that so bad?'"