Reduced probability of ice-free summers for 1.5 °C compared to 2 °C warming

Reduced probability of ice-free summers for 1.5 °C compared to 2 °C warming

Reduced probability of ice-free summers for 1.5 °C compared to 2 °C warming, Published online: 02 April 2018; doi:10.1038/s41558-018-0127-8

Arctic sea ice cover has declined significantly in recent years. Model simulations suggest the probability of an ice-free Arctic will be 100% under 2 °C, but 30% under 1.5 °C, motivating efforts to constrain anthropogenic warming.