"JEFFERSON CITY, Mo. -- An environmental group is heading to court in another attempt to overturn the way Missouri officials have implemented a 2008 ballot initiative about renewable energy."

"WATERFLOW — The sickness came in increments, a slow onslaught of weight loss, stomach pain and extreme diarrhea."

"OTTAWA -- Ever since President Obama said in June that a litmus test for the proposed Keystone XL oil pipeline from Canada was whether it would 'significantly' worsen global warming, Canadian government officials have insisted it would not."

"PITTSBURGH -- A project examining the local health impacts from natural gas drilling is providing some of the first preliminary numbers about people who may be affected, and the results challenge the industry position that no one suffers but also suggest the problems may not be as widespread as some critics claim."

"The blaze, now 134,000 acres, pushes into Yosemite National Park. Each day, what it does depends on the wind."

"CHEYENNE, Wyo. -- For the first time, nobody has bid on a federal coal tract offered for sale in Wyoming after the company that initially sought to mine the location determined that it couldn't do so profitably."

"It’s not unusual for think tanks, lobbyists, PR firms and deep-pocketed foundations to draw battle lines when the president nominates a new agency head — unless the agency is an obscure regulatory body with an ungainly nickname like 'FERC.'"

"A 'complete breakdown of safety' in 2010 has not been sufficiently addressed, a neglect that may spell trouble for its other aging lines, the report says."

"The U.S. Federal Trade Commission said it will examine allegations that oil companies may be undermining efforts to distribute renewable fuels."

"At least three people were killed by an ammonia gas leak from a pipeline owned by state oil monopoly Pemex in southern Mexico on Tuesday and 1,500 people were evacuated from the area and taken to shelters, the company said."