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 W Hamilton on What we’re reading about the Bundy trial in Oregon
- Clay Dusel on New measures could reduce Glen Canyon Dam’s impact on the Grand Canyon — a bit
- David W Hamilton on ‘These big dreams to have everyone prosper’
- Dale Lockwood on Trump met with a leader of the land transfer movement
- Jim Bolen on A tax on carbon pollution faces surprising opposition