Possible futures for Arctic carbon (IMAGE) Northern Arizona University Caption Nine future worlds and their cumulative Arctic carbon emissions by 2100. Linked to low, medium, and high climate warming, the pie above each 'slice' of Earth represents total estimated carbon emissions (from carbon dioxide and methane) this century from the unregulated 'country of permafrost.' Credit Victor O. Leshyk, Center for Ecosystem Science and Society Usage Restrictions Image may only be used with appropriate credit, and for not-for-profit purposes. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.