"President Barack Obama formally vetoed legislation authorizing the construction of the Keystone XL pipeline on Tuesday, the latest development in what has become an ongoing standoff between him and congressional Republicans over approval of the controversial pipeline."

"To Washington insiders he is Dr Evil: the hidden orchestrator of industry campaigns against the Humane Society, Mothers against Drunk Driving, and other seemingly uncontroversial groups. Now Richard Berman, a one-time lobbyist turned industry strategist, has zeroed in on another target: Barack Obama’s new power plant rules."

"President Obama is poised to reject GOP-backed legislation approving the Keystone XL pipeline with a swift veto designed to minimize any distraction from a looming shutdown within the Department of Homeland Security (DHS)."

"The National Park Service announced yesterday that it had more than 292.8 million recreational visitors in 2014 -- a higher annual total than any time in its nearly 100-year history."

"For some animals, there’s no such thing as a dog-eat-dog world. They rule."

"U.S. shellfish producers in the Northeast and the Gulf of Mexico will be most vulnerable to an acidification of the oceans linked to climate change that makes it harder for clams and oysters to build shells, a study said on Monday."

"Recently released documents show that fossil fuel interests paid more than $1.2 million to fund the research of a prominent climate change-denying scientist affiliated with the Harvard-Smithsonian Center for Astrophysics. Now, a Democratic senator is calling for an investigation into whether other coal and oil companies are funding climate deniers."

"New research sponsored by the Department of Energy shows that buyers are willing to pay more for homes with rooftop solar panels — a finding that may strengthen the case for factoring the value of sustainable features into home appraisals."

The National Park Service has been documenting the acoustic environment in National Parks for years. But in addition to the sounds of nature --  Coyotes in Colorado, a hummingbird in Washington State, elk from Sand Dunes National Park -- the microphones also capture the sounds of civilization -- such as sirens.

"The oil and gas industry sponsors and spins research to shape the scientific debate over horizontal hydraulic fracturing, or fracking. That's the conclusion of a watchdog group's analysis of more than 130 documents distributed to policymakers by industry representatives."