The Arctic Ocean will be ice-free before 2073

Created by btrettel on 2015-09-07; known on 2073-01-01

• btrettel estimated 70% on 2015-09-07
• btrettel said “Linear extrapolation suggests 2072 or 2073 as the first year of an ice-free Arctic. Better models suggest otherwise. https://en.wikipedia.org/wiki/Arctic_sea_ice_decline” on 2015-09-07
• btrettel changed the deadline from “on 2073-01-01” and made the prediction on 2015-09-07
• Serge estimated 25% on 2015-09-08
• PseudonymousUser estimated 65% on 2015-09-13