Arctic Yearbook 2015 - Page 419

419 Arctic Yearbook 2015 indicated that the current level of commitment might limit the global increase of the temperatures by 3.5ÂșC by the end of the century. While such an increase of temperatures would be lower than would otherwise occur in a business as usual scenario, it would still be far too high to prevent irreversible climate impacts in the Arctic, such as on the stability of the Greenlandic icesheet or on the summer sea ice (Lenton 2012). Nevertheless, despite this absence of explicit reference and the failure to