Arctic sea ice extent during the 2008 melt season dropped to the second-lowest level Sept. 14 since satellite measurements began in 1979 and may represent the lowest volume of sea ice on record, according to researchers.
Arctic sea ice extent during the 2008 melt season dropped to the second-lowest level Sept. 14 since satellite measurements began in 1979 and may represent the lowest volume of sea ice on record, according to researchers.