Greenland Goes Green: Ice Sheet Melted in Four Days
Clip: 7/25/2012 | 7m 28s
Greenland Goes Green: Ice Sheet Melted in Four Days
On July 8, NASA satellite imagery showed about 40 percent of Greenland's top ice layer intact. By July 12, only four days later, 97 percent of the ice had melted. Margaret Warner asks NASA's Thomas Wagner for scientific explanation of the massive thaw.
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...
Greenland Goes Green: Ice Sheet Melted in Four Days
Clip: 7/25/2012 | 7m 28s
On July 8, NASA satellite imagery showed about 40 percent of Greenland's top ice layer intact. By July 12, only four days later, 97 percent of the ice had melted. Margaret Warner asks NASA's Thomas Wagner for scientific explanation of the massive thaw.
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
Arab Nations Consider How to Apply More Pressure on Syria
Arab Nations Consider How to Apply More Diplomatic Pressure on Syria (6m 39s)
Feds Mandate Major Reform for New Orleans Police
Citing Corruption and Abuse, Feds Mandate Major Reform for New Orleans Police (10m 10s)
Questions and Debate Remain over Tax Cuts and Health Care
Summer Recess Looming, Questions and Debate Remain over Tax Cuts and Health Care (8m)
Security Concerns After Boy Boarded Flight Without Ticket
Security Tension High After Schoolboy Boarded Flight Without Passport or Ticket (2m 26s)
Where Detroit Industry Has Floundered, Art Scene Flourishes
Where Detroit Industry Has Floundered, World-Class Art Scene Flourishes (9m 10s)
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...