'Extraordinarily hot' Arctic temperatures alarm scientists

Danish and US researchers say warmer air and sea surface could lead to record lows of sea ice at north pole next yearThe Arctic is experiencing extraordinarily hot sea surface and air temperatures, which are stopping ice forming and could lead to record lows of sea ice at the north pole next year, according to scientists. Danish and US researchers monitoring satellites and Arctic weather stations are surprised and alarmed by air temperatures peaking at what they say is an unheard-of 20C higher t