A "temporary" policy change requires Forest Service firefighters to put out fires they might have let burn in previous years, for fear of them raging out of control.
by Emily Guerin ,
Sep 02, 2012
Pete McGrail believes the volcanic basalt that underlies
the Columbia River Basin may hold a cure for global warming: carbon
by Valerie Brown,
Sep 03, 2007
Time is running out to see the natural wonders that are endangered by rampant global warming.
by Tim Lydon,
Feb 15, 2010
The dry 2000s means snow trackers have to adjust "normal" downward.
by Sarah Jane Keller,
Feb 04, 2013
Treadwell, an expert in the politics of the opening Arctic, discusses offshore drilling, the Arctic as a global economic powerhouse, and climate change adaptation.
by Michael Burger,
Aug 21, 2012
Scientists find a climatic archive at the bottom of an alpine lake in California's Sierra Nevada.
by Brendon Bosworth,
Dec 25, 2012
Sailors' journals detailing the weather of voyages past could improve the accuracy of climate models' projections of the future.
by Eric Wagner,
Jun 14, 2013
Climate change is threatening West Coast cities.
by Nathan Rice,
Apr 17, 2011
A long time ago, the earth warmed considerably; now, scientists study fossils to find out what happened – and what it might mean for us today.
by J. MADELEINE NASH,
Oct 13, 2008
The connection between bark beetle outbreaks and Western forest fires is more complicated than it might appear.
by Gail Wells,
May 13, 2012