Retreating glaciers, melting permafrost threaten Arctic lifestyle

ILULISSAT, Greenland (AP) -- The gargantuan chunks of ice breaking off the Sermeq Kujalleq glacier and thundering into an Arctic fjord make a spectacular sight. But to Greenlanders it is also deeply worrisome.
The frequency and size of the icefalls are a powerful reminder that the frozen sheet covering the world's largest island is thinning -- a glaring sign of global warming, scientists say.

"In the past we could walk on the ice in the fjord between the icebergs for a six-month period during the winter, drill holes and fish," said Joern Kristensen, a fisherman and one of the indigenous Inuit who are most of Greenland's population of 56,000.

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