"Rick Piltz, a gutsy whistleblower who revealed a pattern of politically torqued rewriting of climate science reports during the first term of President George W. Bush, died early Saturday morning after a fight with cancer."

"BILLINGS, Mont. — A coalition of advocacy groups on Monday challenged the government's denial of federal protections for the snow-loving wolverine, arguing in a lawsuit that officials disregarded evidence a warming climate will eliminate denning areas for the "mountain devil.""

"At the annual SXSW Eco, a conference in Austin, Texas, you'll find a lot of serious discussion of the rapid decline of the Earth's ecosystems."

"A little-known federal office that has long been a thorn in the side of regulatory reform advocates is taking center stage in the battle over a controversial water regulation."

"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."

"NELIGH, Neb. — Music legends Willie Nelson and Neil Young delivered Saturday on a promise to comfort opponents of the Keystone XL pipeline while also pleasing a few project supporters who ventured into a crowded Nebraska farm field."

"About 100 protesters were arrested on Monday in New York City during a demonstration that at one point blocked streets near the stock exchange to denounce what organizers say is Wall Street's contribution to climate change."

"John D. Rockefeller built a vast fortune on oil. Now his heirs are abandoning fossil fuels."

"A new Public Safety document obtained by a Member of Parliament reveals that the government has been keeping tabs on more than 600 protests, rallies and events across Canada between 2006 and 2014."

"Legions of demonstrators frustrated by international inaction on global warming descended on New York City on Sunday, marching through the heart of Manhattan with a message of alarm for world leaders set to gather this week at the United Nations for a summit meeting on climate change."