"Duke Energy is asking a judge to prevent citizens groups from taking part in any enforcement action that would make the company clean up nearly three dozen coal ash pits across North Carolina."

"The Japanese whaling fleet has left the waters of the Antarctic Treaty Zone, ending whaling in the Southern Ocean Whale Sanctuary for this season, according to data from the whale defense organization Sea Shepherd Australia."

"A public interest group is asking a court to force the U.S. Department of Agriculture to turn over documents explaining its approval of a genetically altered alfalfa even as the department acknowledged the crop's potential to do environmental damage."

"WASHINGTON — In the summer of 2010, it was Harry Reid, the Senate’s Democratic leader, who squelched his party’s efforts to pass a climate change bill, declaring it could never attract enough votes to pass. In the years since, he has rarely spoken publicly about the issue. But on Monday night, an impassioned Mr. Reid took to the Senate floor to kick off a nearly 15-hour climate-change talkathon by about 30 Senate Democrats, part of a campaign by a new Senate 'climate caucus' to make it a politically urgent issue."

"ST. LOUIS — A national environmental group has made good on its promise to sue a St. Louis-based utility regarding what it calls thousands of violations of federal clean air laws."

"Three environmental and public health groups sued the Environmental Protection Agency on Wednesday, seeking to press it to move forward with rules that would require public disclosure of certain pesticide ingredients."

"WASHINGTON -- As the years-long fight over the Keystone XL pipeline grinds toward resolution, green groups are broadening their focus to include the possibility that the Obama administration will loosen curbs on how much oil and gas the United States exports."

"WASHINGTON, DC -- Police arrested more than 370 young people who tied themselves to the White House fence on Sunday to protest the proposed Keystone XL tar sands oil pipeline."

"Starting Monday, a federal judge in Waco will hear arguments from the Sierra Club that Luminant Generation Company, the state’s largest electric generator, has been spewing far more pollution into the air from an East Texas coal plant than is allowed by federal and state law."