Behind the mysterious holes in Siberia

Name: Behind the mysterious holes in Siberia
Uploaded: 2014-08-21T00:08:56Z
Duration: P412S
Description: When holes opened up in the earth recently in Siberia, a wave of speculation was set off as to their cause. Scientists are now pinpointing a dramatic increase in arctic thawing, which may have released methane once trapped below the frozen ground. For a better understanding, Judy Woodruff talks to Tom Wagner of NASA.

Clip: 08/20/2014 | 6m 52s

When holes opened up in the earth recently in Siberia, a wave of speculation was set off as to their cause. Scientists are now pinpointing a dramatic increase in arctic thawing, which may have released methane once trapped below the frozen ground. For a better understanding, Judy Woodruff talks to Tom Wagner of NASA.

Aired: 08/20/14

Rating: NR

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Behind the mysterious holes in Siberia

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