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.
- Tom Darnell on Four charts that show how public land is good for rural areas
- Mark Rozman on Ranch Diaries: Should we name the animals we raise to eat?
- Mark Rozman on Should coyote hunting contests be banned?
- Jerry King on In Washington, the 'necessity defense' on trial alongside activists
- Carmen Macdonald on Should coyote hunting contests be banned?