"PHILADELPHIA -- Demonstrators in the United States and other countries protested Saturday against the natural gas drilling process known as fracking that they say threatens public health and the environment."

"Recent action by Koch Oil Sands pulls the curtain back further on the Koch family's deep but quiet involvement in Canada's oil sands industry."

"ALBANY, N.Y. — An environmental group is suing the Cuomo administration over public records pertaining to the state's communications with energy industry interests hoping to drill for shale gas in New York using hydraulic fracturing."

"Two Pacific Northwest conservation organizations are seeking permission from a federal court in Washington to fight a lawsuit that aims to limit the use of science to help manage U.S. national forests."

"An environmental activist from West Virginia who fought a coal-mining technique that flattened mountains, died on Sunday at age 66, according to his foundation."

"The case of Julia Trigg Crawford versus the Keystone XL oil pipeline will soon return to the headlines."

"Nature assesses the aftermath of a series of nanotechnology-lab bombings in Mexico -- and asks how the country became a target of eco-anarchists."

"TAMPA, Fla. -- 'Drill, baby, drill!' is over the hill. Four years ago, the slogan was chanted during the Republican convention and strengthened into a resounding chorus by the November election. Since then, the economy tanked, Sarah Palin lost her luster and the worst spill in the nation's history fouled the Gulf of Mexico."

"KALISPELL, Mont. -- A man dressed in a military-style 'ghillie' suit and apparently trying to provoke reports of a Bigfoot sighting in northwest Montana was struck by two cars and killed, authorities said."

"SAN FRANCISCO -- The Center for Biological Diversity filed a legal petition with the U.S. Environmental Protection Agency Wednesday that asks the agency to set plastic pollution limits for ocean waters under the Clean Water Act."

"By proposing to end a century of federal control over oil and gas drilling and coal mining on government lands, Mitt Romney is making a bid for anti-Washington voters in key Western states while dangling the promise of a big reward to major campaign supporters from the energy industry."

"Policymakers determined to maintain nuclear energy believed most people would still want it as part of the nation’s power generation despite the accident at the Fukushima No. 1 nuclear plant. Their calculations were way off."

"MORGANTOWN, W.Va. -- Environmental activists are demanding an investigation into the alleged beating of a mountaintop removal mining protester by West Virginia state troopers."

"A single holdout could mean indefinite delay. The situation shows how difficult it will be to export Alberta oil sands to Asia."

"An environmental group launched ads Monday targeting three GOP lawmakers for failing to push for an extension of a tax credit for wind energy producers, charging them with killing green energy jobs."