"The Interior Department has thousands of mismanaged injection wells on federal lands, threatening the nation's underground supply of drinking water, according to a newly released inspector general report."

"A tax credit for wind-energy production made it after all into a Senate bill that would revive a host of expired breaks for numerous industries."

"People in natural gas drilling areas who complain about nauseating odors, nosebleeds and other symptoms they fear could be caused by shale development usually get the same response from state regulators: monitoring data show the air quality is fine. A new study helps explain this discrepancy. The most commonly used air monitoring techniques often underestimate public health threats because they don’t catch toxic emissions that spike at various points during gas production, researchers reported Tuesday in the peer-reviewed journal Reviews on Environmental Health. The study was conducted by the Southwest Pennsylvania Environmental Health Project, a nonprofit based near Pittsburgh."

"SEATTLE — A Coast Guard investigation into the 2012 grounding of the Kulluk, an offshore drilling rig operated by Royal Dutch Shell in the harsh Arctic, blasted the oil company for legal violations, poor management and taking undue risks, according to the final report released Thursday."

"HOUSTON — A giant Texas oil company, Anadarko Petroleum, has agreed to pay $5.1 billion for a vast environmental cleanup, a sum the Justice Department said was the largest it had ever won in such a case."

"Across the northern plains, native grassland is being turned into farmland at a rate not seen since the 1920s. The environmental consequences could be disastrous."

"Research involving hundreds of Maine children might represent a breakthrough about whether exposure to arsenic in drinking water — even at very low levels — could lead to reduced intelligence, scientists who conducted the study said Wednesday."

"The Senate Finance Committee’s abrupt move to take up “tax extenders” legislation is testing the lobbying clout of the renewable energy sector and other special interests in Washington."

"Inspection teams were set to venture into an underground nuclear waste disposal vault in New Mexico on Wednesday to look for the source of a radiation leak nearly seven weeks ago that exposed 21 workers and forced a shutdown of the facility."

"The U.S. Environmental Protection Agency failed to disclose cancer risks to volunteers used in research studies on harmful pollutants, a government watchdog says."