"Plugging the leaks in water pipes and building new ones to keep up with a growing population could cost the United States $1 trillion over the next 25 years, according to an industry study released Monday."

"New Jersey faces serious water quality challenges, including sewage pollution, but upgrading old infrastructure can help address them, according to federal officials. On Tuesday, the U.S. Environmental Protection Agency announced its approval of New Jersey’s latest list of streams, lakes, rivers, bays and other waters that are considered impaired or threatened by pollutants."

"Exposure to certain pollutants early in a rat’s pregnancy can foster disease in her offspring during their adulthood as well as in subsequent generations, a new study shows. A wide range of pollutants elicited such lasting effects, despite future generations never encountering the triggering pollutant."

"GRAND JUNCTION, Colo.—Chevron Corp. is giving up its experimental oil shale lease in northwest Colorado, saying it wants to free up its resources for other priorities."

"Frustrated with the pace of the United Nations group charged with protecting Antarctic waters, a coalition of environmental groups announced its own initiative on Tuesday, calling for the creation of what would be the world’s largest network of marine reserves in the Southern Ocean."

The Texas utility formerly known as TXU seems to be turning out a big bust for investors. It's a story that goes back to the political and economic failure of the Bush-era plan to build hundreds of coal-fired electric plants -- and the fact that the go-go pace of natural gas drilling has pushed the price of that commodity down for the long term.

"Struck at the peak of the buyout boom five years ago, the $45 billion acquisition of the Texas energy giant TXU — the biggest leveraged buyout in history — has been a painful investment for its private equity owners.

"Move over, Solyndra. Conservatives opposed to the Obama administration's spending on clean energy have a new whipping boy.

The electric Chevrolet Volt is the new focus of angry conservative blog posts, testy congressional hearings and joking videos. And Republican presidential candidates Mitt Romney and Newt Gingrich have taken shots at the car's puny sales and size, with Gingrich jeering, 'You can't put a gun rack on a Volt.'

"The Union of Concerned Scientists has documented 15 'near-misses' at 13 U.S. nuclear plants during 2011 and evaluates the response of the Nuclear Regulatory Commission to each event in a report released today."

"A new independent report from Japan details just how close that country came to a "devil's chain reaction" of nuclear plant after nuclear plant melting down and sending a plume of radiation over the city of Tokyo and its 30 million inhabitants."