Associated Press
The Arctic is wrapping up its warmest winter on record, and sea ice hit record lows for this time of year, with plenty of open water where ocean water normally freezes into thick sheets of ice, new U.S. weather data show.
The Arctic is wrapping up its warmest winter on record, and sea ice hit record lows for this time of year, with plenty of open water where ocean water normally freezes into thick sheets of ice, new U.S. weather data show.