National (U.S.)

"Politicians, activists, tribes and media outlets have expressed shock at last month's abandoned mine spill in Colorado, which sent 3 million gallons of polluted water down the Animas River. But environmental advocates and groups that have for decades been trying to clean up the legacy of unregulated mining say the incident pales in comparison to the broader problem of tens of thousands of mines leaking across the country."

"A House subcommittee will vote Thursday on whether to lift the 40-year-old ban on exporting crude oil."

"Starting next year, oil and gas industry ships could be crisscrossing the Atlantic coastline, firing off seismic air guns every 12 seconds at a noise level that would rupture a human eardrum."

"After decades of inaction, the federal government in September will release its second major rule affecting coal ash from power plants in less than a year."

"Perdue Farms Inc. agreed to acquire Natural Food Holdings and its Niman Ranch brand, a pork supplier for Chipotle Mexican Grill Inc., as part of its goal to expand into organic and antibiotic-free meat."

"Thousands of U.S. schools sit along rail corridors used to carry toxic substances such as crude oil and would be at risk in the event of a derailment, an environmental group said on Tuesday as it called for a temporary halt on oil trains."

"Carl Johnson and son Justin, who have complained for years about spills of oilfield wastewater where they raise cattle in the high plains of New Mexico, stroll across a 1 1/2-acre patch of sandy soil — lifeless, save for a scattering of stunted weeds."

"MOUNT EVANS WILDERNESS, Colo. -- A violent wind tore across this mountain ridge four years ago, flattening more than a thousand trees and burying a prized trail in the Arapaho National Forest. But instead of using chain saws and bulldozers to remove the debris, the Forest Service is wielding antique crosscut saws manufactured long before most of its employees were born."

"President Obama went to the Arctic last week — and Rolling Stone magazine got more than a T-shirt out of it."

"An aide to Mitch McConnell has been informing foreign embassies about GOP plans to oppose Obama's strategy on global warming."