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ARCTAS researchers are keeping the rest of us up-to-date on their progress in a blog hosted by Discovery.com.
Scientists blog about their extended voyage off the Antarctic coast as part of a mission to study carbon dioxide levels in the ocean and atmosphere.
Researchers embark this week on a month-long airborne campaign to measure ice sheet and glacier thickness.
Researchers have used satellite data to make the most precise measurements to date of changes in Alaskan glaciers.
Arctic sea ice coverage appears to have reached its lowest extent for 2008 and the second-lowest amount recorded since the dawn of the satellite era.
By July 2008, what had once been a massive ice fringe along the northern Ellesmere coast had been reduced to five isolated ice shelves.