PBS: More than 300 miles north of the Arctic Circle, Alaska`s North Slope is ground zero for global climate change. NewsHour producer April Brown reports the melting ice has opened up opportunity for shipping and other development -- industry that could be catastrophic for the way of life of residents.
GWEN IFILL: Now to a town that's been called Ground Zero for climate change. Even as residents of Barrow, Alaska, cope with changing weather patterns and melting sea ice, many are determined to keep...