Items by J. MADELEINE NASH
Its defenders won a long fight over water with Los Angeles. Now, drought is raising new questions about its future.
In California's White Mountains, scientists ponder the fate of beardtongues, bristlecone pines and butterflies in a rapidly warming world.
Rare and tiny spring-dwelling creatures are threatened by everything from invasive species to Las Vegas' plan to pump groundwater from a rural part of Nevada.
Ecological consultant Stuart Weiss believes that carefully managed grazing could help save a rare California butterfly from extinction.
Paleo-oceanographer James Zachos points to evidence of the last time climate change acidified the oceans, some 55 million years ago.
- Cherilyn Eagar on The rise of the Sagebrush Sheriffs
- Robert Waddell on How do we define climate pollution's cost to society?
- Steve McCarthy on Graphic: The hidden connections of the Sagebrush Insurgency
- Stu Williams on How a huge Arizona mining deal was passed — and could be revoked
- Richard Reinaker on No, federal land transfers are not in the Constitution