Antarctic tipping points: the irreversible changes to come if we fail to keep warming below 2℃
Fritz POLKING/Gamma-Rapho via Getty Images Timothy Naish, Te Herenga Waka — Victoria University of Wellington The slow-down of the Southern Ocean circulation, a dramatic drop in the extent of sea ice and unprecedented heatwaves are all raising concerns that Antarctica may be approaching tipping points. The world has now warmed by 1.2℃ above