NOAA’s Arctic Program.

The 2020 Report Card: “The sustained transformation to a warmer, less frozen and biologically changed Arctic remains clear.”

“Extreme warm air temperatures in the Eurasian Arctic illustrate significant region-wide effects of year-to-year variability and connections across the Arctic environment.”

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NOAA Arctic Program
The Arctic: As used in this document, the term “Arctic” means all United States and foreign territory north of the Arctic Circle and all United States territory north and west of the boundary formed by the Porcupine, Yukon, and Kuskokwim Rivers; all contiguous seas, including the Arctic Ocean and the Beaufort, Bering and Chukchi Seas; and the Aleutian chain. For purposes of this document only, this map illustrates the Arctic as defined under the Arctic Research and Policy Act and does not represent or reflect the position of NOAA with respect to the international boundaries and limits depicted therein. The Arctic has profound significance for climate and functioning of ecosystems around the globe.