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.
- Mark DeGregorio on Meet the aspiring ranger locked out by National Park Service practices
- Lael Bradshaw on New documentary offers a sharp look at the West’s water crisis
- Steve Snyder on Why has the National Park Service gotten whiter?
- Jim Schumont on Stop the rock-stacking
- Kate Schimel on Biking bill is a smokescreen for opening up wilderness