Behind the mysterious holes in Siberia
Clip: 8/20/2014 | 6m 52s
Why in ‘remote, cold corners’ of the world, melting ground is giving way
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.
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...
Behind the mysterious holes in Siberia
Clip: 8/20/2014 | 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.
Problems playing video? | Closed Captioning Feedback
How to Watch PBS News Hour
PBS News Hour is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet, Roku, Samsung Smart TV, and Vizio.
Providing Support for PBS.org
Learn Moreabout PBS online sponsorship
Obama: World is appalled by James Foley's killing
President Obama: World is appalled by James Foley's killing (5m 17s)
Remembering journalist James Foley
In remembering James Foley, sobering lessons for protecting journalists (8m 6s)
Providing Support for PBS.org
Learn Moreabout PBS online sponsorship
- News and Public Affairs
FRONTLINE is investigative journalism that questions, explains and changes our world.
- News and Public Affairs
Today's top journalists discuss Washington's current political events and public affairs.
Support for PBS provided by:
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...