Unmapped Routes May Pose Dangers for Shipping Boom in Arctic

Aired: 9/17/2013 | 0:08:45 | Clip
Melting glaciers mean more water to explore and profit from in the Arctic, but it can also mean danger for mariners. NewsHour producer April Brown reports that scientists from the NOAA who inform sailors how close they can get to the ice have not been able to keep up with the dramatic speed of climate change and new vessels.