"The Transportation Department hit oil giant Exxon Mobil on Wednesday with a proposed $2.6 million fine for a pipeline rupture in Arkansas earlier this year."

"The country's largest nuclear plant operator, Exelon Corp., has publicly fought to torpedo the wind industry's coveted production tax credits, calling them financial threats to its reactors in the Midwest. But the Chicago-based utility is also cashing in on those credits, known as PTCs."

"Exelon's third-quarter earnings results released last week show the company benefiting from the tax incentives that provide wind developers with $23 for every megawatt-hour of electricity they produce. Details about which of Exelon's 44 wind projects generate the PTCs are private."

"Aside from Walmart itself, there is no louder and more enthusiastic cheerleader for the retail giant’s sustainability campaign than Environmental Defense Fund. A quick perusal of the news over the last few weeks finds EDF issuing a press release about Walmart’s green leadership, praising its environmental boldness in a Fortune interview, backing its solar claims in a Fast Company article, and headlining a live chat about Walmart hosted by The Guardian."

"On a day when consumers in Washington State were voting on whether to require food companies to label products containing genetically engineered ingredients, Cargill announced that it would begin labeling packages of ground beef containing what is colloquially known as pink slime."

"PITTSBURGH -- The U.S. Coast Guard is seeking public comments on a proposal that would allow barges to transport shale gas wastewater, a drilling byproduct that can include chemicals, radioactive material and heavy metals."

"BISMARCK, N.D. -- A Canadian company has applied to build the largest oil pipeline yet from western North Dakota's booming oil patch and will soon begin courting oil producers to reserve space, a key step in a $2.6 billion project that would move millions of gallons of oil to Minnesota and Wisconsin."

"Bird watching, hunting or just picnicking. Whatever the reason, visits to the nation's 561 wildlife refuges are big business."

"Lawmakers desperate to pass the first water resources bill in seven years are facing a $10.3 billion problem."

"Voters in Virginia narrowly elected Democrat Terry McAuliffe for governor over Republican Ken Cuccinelli II, who differed among other things on the future of the state's coal industry. Mr. McAuliffe supported new EPA regulations on power plants that will make it difficult for new coal plants to be bought."

"Washington state voters on Tuesday rejected an initiative that would have required foods containing genetically engineered ingredients to be labeled."