Smoke from the Black Summer fires created an algal bloom bigger than Australia in the Southern Ocean September 16, 2021 By Christina Schallenberg, Jakob Weis, Joan Llort, Peter Strutton and Weiyi Tang Editors' Picks In 2019 and 2020, bushfires razed more than 18 million hectares of land in Australia. For weeks, smoke choked major cities, leading to almost 450
