National Snow and Ice Data Center, 28 March 2025 NSIDC has announced that on March 22, Arctic sea ice reached its lowest-ever maximum extent (area) in the 47-year satellite record, at 4.33 million km2 (5.53 million square miles). The four previous lowest maximums have all occurred over the past decade. Sea ice extent has indeed … Continue reading Arctic Sea Ice Sets Record-Low Maximum Extent