In part two of Weight of the world, three Australian climate scientists reveal the professional and personal toll of their predictions. Lesley Hughes tells us about the axing of the Climate Commission – a group tasked with educating the public about climate science and the need to cut carbon emissions. Graeme Pearman talks of the pushback from government and industry, and Ove Hoegh-Guldberg speaks of the personal attacks and death threats that followed his warnings. All three express their disbelief that meaningful action didn’t follow the science, with Pearman acknowledging he was ‘naive’ to think it would