"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."

"As Brazil struggles to solve land disputes between Indians and farmers on the expanding frontier of its agricultural heartland, more tensions over forest and mineral resources are brewing in the remote Amazon."

"MUMBAI -- Dow has filed its fourth lawsuit against activists in India that are seeking compensation for the 1984 gas leak at a Union Carbide Corporation facility in Bhopal. The Bhopal disaster killed 15,000 and affected an additional 500,000 in 1984."

"Around 100 villagers attacked a police station in southwestern China on Friday as part of an environmental protest, state media said in a rare report about what are increasingly common demonstrations."

"EDEN, N.C. – An environmental group Thursday challenged Duke Energy’s assurances that drinking water from the Dan River in North Carolina and Virginia remained safe despite a massive spill of toxic coal ash that released a deluge of murky gray sludge into the river Sunday."

"Environmentalists are declaring victory over an announcement by Ottawa that it will conduct a health review of 23 pesticides."

"There's one main rule at the conservative donor conclaves held twice a year by Charles and David Koch at luxury resorts: What happens there stays there."

"WASHINGTON -- President Barack Obama is sticking to a fossil-fuel dependent energy policy, delivering a blow to a monthslong, behind-the-scenes effort by nearly every major environmental group to convince the White House that the policy is at odds with his goals on global warming."