"Fossil fuel barons have invested more than $100 million in Republican presidential Super Pacs – raising concerns over special interests if GOP takes White House".

"Canadian Prime Minister Justin Trudeau faces a challenging day of climate change talks on Thursday with leaders of the country's 10 provinces, one of whom opposes a key part of Ottawa's plan to cut greenhouse gas emissions."

"The Department of Energy's relationship with uranium enrichment company USEC Inc. will be under the microscope this week, when Secretary Ernest Moniz visits Capitol Hill to defend the agency's budget request."

"The environmental policy debate between Democratic contenders Bernie Sanders and Hillary Clinton could soon become much more heated."

"Rick Snyder previously said he became aware of severity of the lead problem on 1 October, but emails show he initially aimed to avoid a disaster declaration"."

"Facing hundreds of millions of dollars in lawsuits, the giant biotechnology company Monsanto last year received a legislative gift from the House of Representatives, a one-paragraph addition to a sweeping chemical safety bill that could help shield it from legal liability for a toxic chemical only it made."

"The House on Friday passed legislation to expand public access to recreational shooting and hunting on federal lands."

"Perched on a wild, windy promontory on the rugged tip of northwestern Tasmania, the tiny Cape Grim research station has been measuring airborne greenhouse gases since 1976."