Two retired outdoorsmen -- with help from water researchers -- are testing streamwater in western Pennsylvania. They are struggling to get EPA attention to chemicals they fear could be related to the fracking boom.

"Community advocates are outraged that a contaminated playground at a Newark public housing complex remained open, allowing children to be exposed to dangerous levels of lead."

"Fresh off a wave of success in the California Capitol last year, animal welfare groups are taking aim at a new target this year: hunting with lead ammunition."

"JUNEAU, Alaska — --The Alaska Senate on Tuesday approved a Parnell administration measure to roll back cruise ship wastewater standards that were approved by voters in 2006. The vote was 14-6."

"NORTH POLE, Alaska — In Krystal Francesco's neighborhood, known here as the 'rectangle of death,' the air pollution recently was so thick she could hardly see across the street. Wood stoves were cranking all over town — it was 40 below zero — and she had to take her daughter to the emergency room."

"SIMI VALLEY, Calif. -- NASA has agreed to an 'excessive and unnecessarily costly cleanup' of a former rocket test facility near Los Angeles that was the site of a partial nuclear meltdown in 1959, the space agency's watchdog said Thursday."

"What happens to fish that swim in waters tainted by traces of drugs that people take? When it's an anti-anxiety drug, they become hyper, anti-social and aggressive, a study found. They even get the munchies."

"Transocean Deepwater Inc. was found guilty by a federal judge Thursday of violating the federal Clean Water Act, based on the company's role in causing the uncontrolled release of 4.9 million barrels of oil into the Gulf of Mexico from BP's Macondo well after Transocean's Deepwater Horizon drilling rig exploded and sank in April 2010."

"Alleging violations of the federal Clean Water Act at the Colbert Fossil Plant, a coalition of environmental groups announced plans to file a lawsuit against the Tennessee Valley Authority on Wednesday."