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."

"Court reduces company's maximum fine a week before trial over blowout that dumped millions of gallons of oil into Gulf of Mexico."

"Sea Shepherd is claiming victory after Japan temporarily suspended its annual whale hunt in the Southern Ocean."

"The National Park Service would be forced to delay the opening of roads into iconic national parks including Yellowstone, Grand Canyon and Yosemite by as much as a month if Congress fails to avert $85 billion in across-the-board spending cuts, according to new information obtained by a Park Service retirees group."

"President Barack Obama intends to nominate air quality expert Gina McCarthy to lead the U.S. Environmental Protection Agency and nuclear physicist Ernest Moniz to head the Department of Energy as early as this week, according to a source familiar with the process."

"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."

"IOWA CITY, Iowa -- Regent Bruce Rastetter intervened on behalf of ethanol industry leaders who were upset with a prominent University of Iowa researcher for warning that water-intensive ethanol production was threatening Iowa's water supply, records show."

"A patient infected with a new respiratory illness similar to the deadly Sars virus has died in the UK."

"Little more than a year after making it to the top of IBM's list of worst commuter cities, Mexico City has returned to the urban transit spotlight -- this time at the receiving end of international praise."