ANTHONY CAPON, THE CONVERSATION The bushfires raging across Australia this summer have sharpened the focus on how climate change affects human health. This season bushfires have already claimed more than 30 human lives , and many people have grappled with smoke inhalation and mental health concerns. The changing nature of bushfires around the world is one of the tragic consequences of climate change highlighted in Our Future on Earth, 2020 – a report published on Friday by Future Earth , an international sustainability research network.