FILE - In this July 18, 2011 file photo, a boat steers slowly through floating ice, and around icebergs, all shed from the Greenland ice sheet, outside Ilulissat, Greenland. Climate historians hunting ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. GENEVA (AP) — For all the recent talk of ...

For all the recent talk of global warming, climate historians hunting for past temperature extremes have unearthed what the U.N. weather agency calls a new record low in the Northern Hemisphere — ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. GENEVA (AP) — For all the recent talk of ...

GENEVA >> For all the recent talk of global warming, climate historians hunting for past temperature extremes have unearthed what the U.N. weather agency calls a new record low in the Northern ...