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Disappearing landscapes: The Arctic at +2.7°C global warming.

  • Published In: Science (pre-March 2025), 2025, v. 387, n. 6734. P. 616 1 of 3

  • Database: Academic Search Ultimate 2 of 3

  • Authored By: Stroeve, Julienne C.; Notz, Dirk; Dawson, Jackie; Schuur, Edward A. G.; Dahl-Jensen, Dorthe; Giesse, Céline 3 of 3

Abstract

Under current nationally determined contributions (NDCs) to mitigate greenhouse gas emissions, global warming is projected to reach 2.7°C above preindustrial levels. In this review, we show that at such a level of warming, the Arctic would be transformed beyond contemporary recognition: Virtually every day of the year would have air temperatures higher than preindustrial extremes, the Arctic Ocean would be essentially ice free for several months in summer, the area of Greenland that reaches melting temperatures for at least a month would roughly quadruple, and the area of permafrost would be roughly half of what it was in preindustrial times. These geophysical changes go along with widespread ecosystem disruptions and infrastructure damage, which, as we show here, could be substantially reduced by increased efforts to limit global warming. [ABSTRACT FROM AUTHOR]

Additional Information

  • Source:Science (pre-March 2025). 2025/02, Vol. 387, Issue 6734, p616
  • Document Type:Article
  • Subject Area:Environmental Sciences
  • Publication Date:2025
  • ISSN:0036-8075
  • DOI:10.1126/science.ads1549
  • Accession Number:182816078
  • Copyright Statement:Copyright of Science (pre-March 2025) is the property of American Association for the Advancement of Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

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