"The Tennessee Valley Authority has determined that capping the coal ash impoundment at the Colbert Fossil Plant is the most economically feasible option, a decision that does not sit well with some environmentalists."

"The worst oil bust since the 1980s is putting Texas and other oil producing states on the hook for thousands of newly abandoned drilling sites at a time when they have little money to plug wells and seal off environmental hazards."

"A report released Monday by the nonprofit watchdog group Global Witness claims that 2015 was the deadliest yet for people who sought to protect their land, forests and rivers from mining, logging and dams."

"In an immaculate control room at the Watts Bar nuclear plant, green bars flash on a large screen, signaling something that has not happened in the United States in two decades."

"The head of the Environmental Protection Agency is urging officials in Michigan to address 'systemic issues' that could prevent Flint from providing clean, safe drinking water to the city’s residents over the long term."

"Wildfire warnings were posted across parts of three Western U.S. states on Sunday as a heat wave baked the region in record, triple-digit temperatures, stoking flames in California from the coastal foothills outside Santa Barbara to desert brush near the Mexican border."

"YOSEMITE NATIONAL PARK -- President Barack Obama mixed business with pleasure here Saturday, touting the importance of national parks and then seeing one up close for himself as he took in the sights at what is arguably the crown jewel of the national park system."

"When beavers build dams, they create reservoirs that store water and replenish groundwater supplies."

"Two federal agencies announced this week that they will investigate whether Maryland regulators discriminated against a majority-black community by issuing a permit last fall to build a natural-gas power plant in southern Prince George’s County."

"After years of intense — and often controversial — restoration efforts, biologists are finally reporting some good news for the beleaguered California condor: More chicks are surviving in the wild, and the birds are becoming increasingly independent and expanding their range."