"The top U.S. environmental regulator said Friday that federal rules to curb power plant pollution are not the cause of the economic decline of coal country after presidential candidates confronted anger on the campaign trail this week from laid-off West Virginia miners."

"The dismissal of Ali al-Naimi as Saudi Arabia’s oil minister puts the country’s deputy crown prince firmly in control of energy policy and makes an agreement to freeze oil production less likely when the Organization of the Petroleum Exporting Countries meets next month, OPEC officials said."

"Donald Trump says he would bring back lost coal-mining jobs, and he is positioning for the November election in big coal states by portraying Hillary Clinton as a job killer. Trump, however, has yet to explain exactly how he will revitalize Appalachia's coal industry."

"The Obama administration is revising a federal rule that allows wind-energy companies to operate high-speed turbines for up to 30 years, even if means killing or injuring thousands of federally protected bald and golden eagles."

"Attorneys general in Michigan, Wisconsin and Missouri are “out of step” with the majority of voters in their state who support the U.S. Environmental Protection Agency’s Clean Power Plan, according to polling released last week."

"Solar power set another record-low price as renewable energy developers working in the United Arab Emirates shrugged off financial turmoil in the industry to promise projects costs that undercut even coal-fired generators."

"A coalition of environmental groups sued the Environmental Protection Agency on Wednesday to demand a strong uniform standard for the transportation, storage and disposal of frack waste."

"Don Blankenship was recently sentenced to prison, but that's not keeping him away from the presidential election."

"Colorado’s Supreme Court on Monday struck down local government prohibitions on hydraulic fracturing, or fracking, handing oil and gas companies a victory in a lengthy battle over energy production in the environmentally conscious state."

"The U.S. Geological Survey says five minor earthquakes originated in an area just west of New Castle in a 22-hour period on Monday, all small tremors between magnitude 1.7 and 1.9, which is below what humans can feel."