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SEQUOIA NATIONAL PARK, California — Nate Stephenson was a guest on NPR's "All Things Considered." The segment featured collaborative research on the drought's effects on giant sequoias. 

NPR's Christopher Joyce interviewed WERC Ecologist Nate Stephenson for a segment on the drought's effects on trees in the Sierra Nevada, including the iconic giant sequoia. Stephenson collaborates with the University of California, Berkeley and Stanford University-Carnegie Institution for Science to study what kills trees during a severe drought — insects, disease, dehydration? What could this mean for western forests as the climate changes and serious droughts become more frequent? You can listen to the interview or read the transcript on NPR's website.