"Heat-trapping pollution from U.S. power plants hit a 27-year low in April, the Department of Energy announced Wednesday."

"A global oil glut has tanked prices and cut profits — so why won’t Shell give up on the north?"

"Chris Cline, the billionaire coal baron, revealed himself today as the donor behind a $1 million contribution to a super-PAC supporting Jeb Bush’s presidential campaign."

"An environmental group petitioned the federal government on Thursday to immediately inspect more than 200 miles (320 km) of undersea oil pipelines off California's coast."

"RICHMOND, Va. — The U.S. Forest Service has raised hundreds of concerns about a proposed natural gas pipeline that would carve a 30-mile swath through national forests in Virginia and West Virginia."

"Think of it as Christmas in August. Gasoline prices are expected to drop sharply this month and might be approaching $2 a gallon in much of the country by the time winter’s chill arrives."

"Oklahoma regulators are imposing new restrictions on energy companies injecting wastewater underground, in the latest effort to stem a sharp increase in earthquakes."

"MOSCOW -- Russia said on Tuesday it has resubmitted a claim to the United Nations for some 1.2 million square km of the Arctic shelf, a drive to secure more of the mineral-rich region where other countries have rival territorial interests."

"To comply or not to comply. That’s the question now facing Texas officials regarding the Obama administration’s ambitious Clean Power Plan. The sweeping regulatory initiative, unveiled [Monday] in its final form, aims at transforming the nation’s electricity-production system to slash emissions of climate-disrupting air pollution."