"A North Carolina congressman said Thursday that he wants an investigation into reports that levels of a cancer-causing chemical in tap water at a Marine Corps base were downplayed and then omitted from official documents."

"State and federal officials were, at one point, looking at almost a complete loss of support from Asarco for projects to clean up contaminated sites. Then, a dramatic recovery of copper prices lead to benefits for Tacoma, Everett, and elsewhere in the state."

"The U.S. House Energy and Commerce Committee said on Thursday it was investigating the potential impact of hydraulic fracturing on the environment and human health."

"A century-old fight about water from Oregon's Klamath Basin ended Thursday with signed agreements that assure farmers water and power to keep their crops green, and lay out the removal of dams that have blocked salmon from hundreds of miles of spawning grounds."

"The Interior Department is beefing up efforts to ensure companies are paying the royalties they owe from producing energy on federal lands."

"A new Office of Sustainable Communities is being created within the U.S. Environmental Protection Agency to help communities take an integrated approach to making environmental, housing and transportation decisions."

"President Barack Obama's award of billions of dollars in federal nuclear loan guarantees to Southern Co. has angered environmentalists who say the president is embracing the energy powerhouse that worked aggressively to defeat a key climate change bill championed by his administration."

"An environmental contractor dramatically underreported the level of a cancer-causing chemical found in tap water at Camp Lejeune, then omitted it altogether as the Marine base prepared for a federal health review, an Associated Press review has found."

"The early optimism of environmental advocates that the policies of former President George W. Bush would be quickly swept away and replaced by a bright green future under Mr. Obama is for many environmentalists giving way to resignation, and in some cases, anger."