"Greater sage grouse numbers in the West have grown by nearly two-thirds since 2013, marking what could be a significant rebound to the bird's previous several years of decline, according to scientists in Western states."

"A device commonly used to measure the methane that leaks from industrial sources may greatly underestimate those emissions, said an inventor of the technology that the device relies on."

"Two years after President Obama issued a landmark executive order setting federal priorities for advancing chemical security, a slew of agencies continue to plod toward regulatory changes, to the frustration of some environment and public health organizations that would like to see faster improvements."

"The U.S. has more than 11,000 flood control dams. Many were built more than half a century ago, and delayed maintenance is starting to catch up with them. The problem is particularly acute in Oklahoma, which has more than 2000 dams and which, this year, has record rainfall."

"Lawmakers are primed for a fight over the future of a critical environmental conservation program."

"NEW YORK -- Several news organizations gained rare access Saturday into a private gathering of influential Republican donors hosted by Freedom Partners Chamber of Commerce, a nonprofit organization backed by conservative billionaires Charles and David Koch. But journalists covering the three-day event, held at a luxurious California resort, had to agree to an unusual restriction. They weren’t allowed to report the names of any of the 450 donors attending without the individual’s permission."

"Republican presidential candidate Jeb Bush, who has made varying statements on climate change this year, said Thursday that he believes humans are partly responsible for it. "

"In the strongest action ever taken in the United States to combat climate change, President Obama will unveil on Monday a set of environmental regulations devised to sharply cut planet-warming greenhouse gas emissions from the nation’s power plants and ultimately transform America’s electricity industry."

"Top Interior Department officials got an earful in their first of five listening sessions on the future of the federal coal program, which produces about 40 percent of our nation’s coal."

"U.S. EPA appears to be leaning toward giving states an extra two years -- until 2022 -- to start cutting carbon emissions from power plants under a final Clean Power Plan rule expected to be rolled out as early as Monday."