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A result of these observations is a thorough record of sea-ice extent in the Arctic since 1979; the decreasing extent seen in this record (NASA Archived February 21, 2011, at the Wayback Machine, NSIDC), and its possible link to anthropogenic global warming, has helped increase interest in the Arctic in recent years. Today's satellite ...
North America, Europe, Africa and South America all had their warmest year on record in 2024, while Asia and the Arctic had their second-warmest year. Still, the overall warming trend is clear.
Climatologist Wladimir Köppen demonstrated a relationship between the Arctic and Antarctic tree lines and the 10 °C (50 °F) summer isotherm; i.e., places where the average temperature in the warmest calendar month of the year is below the fixed threshold of 10 °C (50 °F) cannot support forests.
The warmest years in the instrumental temperature record have occurred in the last decade (i.e. 2012-2021). The World Meteorological Organization reported in 2021 that 2016 and 2020 were the two warmest years in the period since 1850. [51] Each individual year from 2015 onwards has been warmer than any prior year going back to at least 1850. [51]
The Summary. This was the Arctic’s second-hottest year on record, according to a new NOAA report. The tundra has become a source of emissions, rather than a carbon sink, the authors said.
Last year was the hottest ever recorded, according to data from the National Oceanic and Atmospheric Administration (NOAA) released Friday. In 2024, Earth overall saw its highest global ...
The period of 1995–2005 was the warmest decade in the Arctic since at least the 17th century, with temperatures 2 °C (3.6 °F) above the 1951–1990 average. [13] Alaska and western Canada's temperature rose by 3 to 4 °C (5.40 to 7.20 °F) during that period.
The NOAA report determined the past year has been the region’s sixth-warmest year on record, and the Greenland ice sheet lost ice for the 25th consecutive year. Annual air…