In a Melting Trend, Less Arctic Ice to Go Around

By ANDREW C. REVKIN
Published: September 29, 2005

The floating cap of sea ice on the Arctic Ocean shrank this summer to what is probably its smallest size in at least a century of record keeping, continuing a trend toward less summer ice, a team of climate experts reported yesterday.

That shift is hard to explain without attributing it in part to human-caused global warming, the team's members and other experts on the region said.