"U.S. drivers will pay an average of less than $3 per gallon on Election Day, according to AAA."

"The Obama administration released thousands of pages on Friday documenting federal agencies’ vulnerabilities to climate change and what those agencies plan to do about it."

"Antarctic hole in protective layer of gas stands around same level as 2010, 2012 and 2013, but scientists say recovery is on track"

"Deal would allow US to join other countries in cutting carbon dioxide emissions but avoid having to obtain Senate ratification"

"Some rarer birds have grown in number over last 30 years due to conservation efforts while some well known species have fallen"

Gray wolves are coming back in the northern Rockies and Pacific Northwest. People have mixed feelings about wolves.

"It is a point noted with some morbid curiosity year after year — climate change ranks low on the list of Americans’ priorities. But this version of the story tends to exclude the concerns of those whose interests are often marginalized at the polls and left out of legislation: people of color."

"Veterans who were exposed to toxic contaminants during their service are increasingly becoming casualties in a war with the government -- particularly the Veterans Affairs Department—which they say has a record of delaying and denying benefits promised to them by acts of Congress."

"Ever feel the urge to get close to a bear so you can snap a quick photo when you're in a national park or forest? It could be the last thing you ever do, federal officials are warning visitors in one California forest area."