for what appears to be the first time since scientists began keeping track, sea ice in the arctic and the antarctic are at record lows this time of year.
for what appears to be the first time since scientists began keeping track, sea ice in the arctic and the antarctic are at record lows this time of year.
arctic sea ice decline:31
the previous record of the lowest area of the arctic ocean covered by ice in 2012 saw a low of 1.58 million square miles (4.09 million square kilometers).