"Climate change has long been a highly polarizing topic in the United States, with Americans lining up on opposite sides depending on their politics and worldview. Now a scientific study sheds new light on the role played by corporate money in creating that divide."

"Grand Canyon utilities that provide drinking water and treat sewage are failing and need urgent repairs, according to an internal report and former employees."

"Groups are urging State Dept. scrutiny of an Enbridge pipeline they say is moving twice the amount of tar sands oil into the U.S. than it's permitted for."

"The Environmental Protection Agency proposed tougher new limits on Tuesday on smokestack emissions from nearly two dozen states that burden downwind areas with air pollution from power plants they can't control."

"When it comes to climate science, two of the three Democratic presidential candidates are A students, while most of the Republican contenders are flunking, according to a panel of scientists who reviewed candidates' comments."

"After retiring hundreds of research chimpanzees in 2013, the NIH says 50 remaining chimps will no longer be used for medical studies."

"House Democrats also announced they are planning a broader probe into other fossil fuel companies and their climate research."

"Panel finds little basis in EPA's 1,000-page study for claim that fracking has not led to 'widespread, systemic impacts on drinking water.'"

"Candidates for the Democratic nomination for president are scrambling to show that they care about the coal miners and communities that are suffering due to the industry’s downturn."

"Analysis by Maplight researchers finds senators who voted against EPA rules received 17 times more coal industry money".