Records are falling at the top of the world.
The Arctic summer has a long way to go, but already sea ice levels over great swathes of the sprawling Arctic ocean are at historic lows (in the 40-year-long satellite record) for this time of year. The most striking declines are in the Chukchi and Beaufort seas, located above Alaska.
The melt is exceptional, but right in line with accelerating melting trends occurring as the Arctic warms.
"Every year we smash a record that we’re shocked at," said Jeremy Mathis, a longtime Arctic researcher and a current board director at the National Academies of Sciences. Read more...More about Science, Arctic, Global Warming, Climate Change, and Science