Global warming pushing alpine species higher and higher

For every one-degree-Celsius increase in temperature, mountaintop species shift upslope 100 metres, shrinking their inhabited area and resulting in dramatic population declines, new research by University of British Columbia ...

How much drought can a forest take?

Why do some trees die in a drought and others don't? And how can we predict where trees are most likely to die in future droughts?

Storm leaves California with half of usual snow for year

California water officials tromped through long-awaited fresh snowdrifts in the Sierra Nevada mountains Monday, but a welcome late-winter storm still left the state with less than half the usual snow for this late point in ...

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