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Alaska is warming up. It's now a few degrees warmer than it was a century and a half ago, and the trend seems to be accelerating. Alan Alda meets Alaskan scientists who are working to find out if these are the first signs of global warming and what the future may hold.

Past Broadcasts

  • Sunday, March 15 from 12:00 a.m. - 1:00 a.m. on OPB PLUS

Upcoming Broadcasts

  • Sunday, June 28 from 12:00 a.m. - 1:00 a.m. on OPB PLUS