"The demise of a deal to end decades of feuding on the Klamath River could rekindle old battles over water use and dams in a remote corner of California."

"Alex Hummell says few dentists seem worried enough about invisible, odorless mercury to take the kinds of precautions needed to prevent everyday exposures."

"Droughts and heat waves wiped out nearly a tenth of the rice, wheat, corn and other cereal crops in countries hit by extreme weather disasters between 1964 and 2007, according to a new study."

"TransCanada’s lawsuit over Keystone XL is the tip of the iceberg: Protections in two new trade deals could undermine limits in the freshly minted Paris climate pact, as investors safeguard 'expected profits'".

"A powerful legal tool designed to protect foreign investors could undermine commitments made in Paris last month to rein in climate warming emissions.

"Federal wildlife managers want Florida’s manatee, the whiskered lumbering icon that came to represent the fight to save the state’s vulnerable wildlife, removed from the endangered species list."

"Climate denier Professor Ross McKitrick has resigned as chairman of the academic advisory council of Lord Lawson’s Global Warming Policy Foundation (GWPF), according to a statement released by the charity."

"BURNS, Ore. — Hundreds of residents crammed into a building at the Harney County Fairgrounds here on Wednesday night, far surpassing the capacity of the rows of brown metal folding chairs set up on a concrete floor, to talk in often deeply emotional terms about their community — and just who should be in charge of its destiny."

"Last year was the second hottest on record in the contiguous United States, and included 10 major weather and climate events, such as droughts and storms, that each led to over $1 billion in damages, the National Oceanic and Atmospheric Administration said on Thursday."

"The indelible imprint left by human beings on Earth has become so clear that it justifies naming a new geological epoch after mankind, experts said on Thursday."

"A panel of U.S. Environmental Protection Agency science advisers is strongly criticizing last year’s much-cited EPA report that agency officials had tried to tout as finding that the nation’s natural gas drilling and production boom had not led to “widespread, systematic” impacts on drinking water supplies."