How soil and squirrels offer cues on Alaska climate change
Clip: 11/24/2014 | 7m 21s
How soil and squirrels offer cues on Alaska climate change
On the Alaskan tundra, researchers are tracking the march of global warming. Science correspondent Miles O’Brien explores how soil composition and the sleep schedules of squirrels might offer data on the ways warmer temperatures are affecting ecosystems.
Problems playing video? | Closed Captioning Feedback
Problems playing video? | Closed Captioning Feedback
Major corporate funding for the PBS News Hour is provided by BDO, BNSF, Consumer Cellular, American Cruise Lines, and Raymond James. Funding for the PBS NewsHour Weekend is provided by...
How soil and squirrels offer cues on Alaska climate change
Clip: 11/24/2014 | 7m 21s
On the Alaskan tundra, researchers are tracking the march of global warming. Science correspondent Miles O’Brien explores how soil composition and the sleep schedules of squirrels might offer data on the ways warmer temperatures are affecting ecosystems.
Problems playing video? | Closed Captioning Feedback
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