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.
- David DuBois on What will become of the backcountry in Utah’s Wasatch?
- Dennis Jones on Colorado, other Western states support Syrian refugee program
- Peter Sandrock on Reflecting on the tragedy of the young 'invincibles'
- Roy Frybarger on Colorado, other Western states support Syrian refugee program
- Julia Duin on Charles Bowden on The War Next Door