"YELLOWSTONE NATIONAL PARK – If you've hiked in the Northern Rockies above 9,000 feet, you've hiked among a whitebark pine forest."

"What ties America's second-biggest energy company, ConocoPhillips Co., to a small Houston-based shale driller, Halcón Resources Corp.? They had some of the worst carbon pollution rates among their peers in 2012."

"From Miami to Washington DC, towns and cities on America’s east coast could see triple the number of tidal floods by 2030 as sea levels rise, say researchers."

"A federal judge in Nebraska has dismissed a challenge to the Environmental Protection Agency’s (EPA) proposed carbon limits for new power plants."

"Methane emissions from oil and gas wells on federal lands and waters jumped 135 percent from 2008 to 2013, an analysis shows, driven by a drilling boom in New Mexico and North Dakota that has outpaced the building of pipelines and processing centers."

"MANILA - Hundreds of activists led by the Philippine climate change commissioner kicked off a 38-day walk of more than 1,000 km from Manila to the typhoon-hit city of Tacloban to raise awareness of rising risks from higher seas and extreme weather."

"LOS ANGELES - The fall season has brought a wave of hot, dry weather to California, with parts of the state baking this weekend in triple-digit temperatures and officials expressing concern the summer-like heat could spark a massive wildfire."

"Construction crews are wading into chest high pools of muck in a race against time to install pumps Miami Beach officials hope will help control an annual super-high tide threatening to flood south Florida's popular seaside city next week."