Trees move uphill as Sierra Nevada climate warms

Warming Sierra Nevada temperatures mean young trees of cold-adapted species are growing at elevations hundreds of feet higher than trees counted 80 years ago — taking entire habitats with them.
Shrinking Sierra snowpack: Warming temperatures shift snow to rain, forcing water agencies to adapt

As wintertime temperatures warm in the Sierra Nevada, precipitation shifts from snow to rain. That means snowpack is shrinking — and changing the entire foundation for people’s water supply across the American West.