In the Paris Agreement, nations committed to a more ambitious climate policy target, aiming to limit global warming to 1.5 °C rather than 2 °C above pre-industrial levels. Climate models now show that achieving the 1.5 °C goal would make a big difference for Arctic sea ice.
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Screen, J.A. Arctic sea ice at 1.5 and 2 °C. Nature Clim Change 8, 362–363 (2018). https://doi.org/10.1038/s41558-018-0137-6
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DOI: https://doi.org/10.1038/s41558-018-0137-6
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