Disaster at the Top of the World

[lsanderson]

By THOMAS HOMER-DIXON
Published: August 22, 2010
Jonathan Twingley

STANDING on the deck of this floating laboratory for Arctic science, which is part of Canada’s Coast Guard fleet and one of the world’s most powerful icebreakers, I can see vivid evidence of climate change. Channels through the Canadian Arctic archipelago that were choked with ice at this time of year two decades ago are now expanses of open water or vast patchworks of tiny islands of melting ice. More