For his winter treat, ABC has sent Bill Blakemore north to the Arctic Ocean. Wednesday he covered the threat to the polar bear species while perched on an ice floe. Now he was on open Arctic water to report the collapse of a 41-square-mile ice shelf into the warming ocean off Ellesmere Island, 500 miles from the North Pole. "New shipping lanes are melting open--the fabled Northwest Passage connecting the North Atlantic to the Pacific sought by explorers since Sir Francis Drake and Henry Hudson."
NBC'S Tom Costello chose an annual overview of global warming trends. National temperatures were two degrees warmer than normal, contributing to drought, forest fires and heatwaves. He showed us a premature DC Mall: "Irises, that are supposed to bloom in the spring, are now completely confused."
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