Jacob Soboroff joins NASA on a trip to Greenland
NASA's Operation Ice Bridge tracks how climate change is affecting the earth's all-important polar regions.
Will we begin to fear the ocean?07:35
Barrow, AK: The leading edge of climate change06:52
The Vanishing Island07:36
Farming through a drought07:12
Conundrums of the California drought05:42
The solar boom05:01