Snow-cover duration continued a longer-term pattern in 2021–22, of significantly faster springtime snowmelt.
Ship traffic is increasing as sea ice dwindles—not just in near-shore, territorial waters of Arctic coastal countries, but increasingly, in the high seas of the Central Arctic Ocean.
The 2022 melt season on the Greenland Ice Sheet started slowly, but ended late, with multiple melt spikes in September.
Arctic temperatures over 2021-22 were the sixth-warmest on record, based on records dating back to 1900.
Highlights from the 2022 update to NOAA's Arctic Report Card in maps and charts.
A basic explainer about the international climate meeting known as “COP.”
The summit is the 27th international meeting of the countries who have agreed to participate in the climate treaty known as the UN Framework Convention on Climate Change.
Three experts explain why La Niña provides no relief from the excess planetary heating due to rising greenhouse gases.
Unusually large, late melt spike on Greenland in September 2022
September 23, 2022
Global surface temperature was among the 6 warmest years on record, despite a "double-dip" La Niña event that chilled the Pacific much of the year.