"With Massey Energy boss Don Blankenship headed to prison and some of the industry’s biggest companies bankrupt, a historic transformation may be ahead".

"As Pennsylvania’s natural gas production continues to expand, so does the possibility of potentially harmful methane emissions."

"Renewable energy and new technologies that are making low-carbon power more reliable are growing rapidly in the U.S. Renewables are so cheap in some parts of the country that they're undercutting the price of older sources of electricity such as nuclear power."

"TransCanada Corp. has resumed sending oil through the Keystone Pipeline after a weeklong shutdown prompted by a leak and oil spill in southeastern South Dakota."

"In 1978, the DOJ told Congress IOGCC should be disbanded. It wasn't. In 2005, the group claimed credit for Halliburton Loophole after ‘years of hard work.'"

"The U.S. government filed a lawsuit on Wednesday to stop Halliburton Co from buying Baker Hughes Inc, arguing the combination of the No. 2 and No. 3 oil services companies would lead to higher prices in the sector."

"More than 1,000 kilometers (621 miles) of shoreline and 44,000 square kilometers (17,000 square miles) of open water in Lake Huron and Lake Michigan could be at risk if oil spilled from twin 63-year-old underwater pipelines that run below the Straits of Mackinac, according to a study released Thursday by the University of Michigan Water Center and supported by the National Wildlife Federation’s Great Lakes Regional Center."

"TransCanada has increased the estimated size of an oil spill near Freeman to a "potential volume” of 16,800 gallons, or 400 barrels."

"The Obama administration and California officials are expected to announce a landmark agreement Wednesday to tear down four hydroelectric dams on the Klamath River, bypassing Congress to restore a major salmon fishery on the Oregon border."