nuclear-news

Arctic Ocean sea ice melt as seen from the U.S. Coast Guard icebreaker Cutter Healy.
The top of the world is turning from white to blue in summer as the ice that has long covered the north polar seas melts away. This monumental change is triggering a cascade of effects that will amplify global warming and could destabilize the global climate system.
BY PETER WADHAMS
The news last week that summer ice covering the Arctic Ocean was tied for the second-lowest extent on record is a sobering reminder that the planet is swiftly heading toward a largely ice-free Arctic in the warmer months, possibly as early as 2020.

author Peter Wadhams ABOUT THE AUTHOR

Peter Wadhams, professor emeritus of ocean physics at Cambridge University, is a sea ice specialist with 46 years of research on sea ice and ocean processes in the Arctic and Antarctic. In more than 50 expeditions…