Record-high temperatures have caused widespread coral bleaching, habitat destruction and species mortality. An independent review of the state of Australia’s environment has found the impacts of climate change are increasing and some of the changes could be irreversible.The latest State of the Environment report, a scientific snapshot across nine areas released by the federal government every five years, says climate change is altering the structure and function of natural ecosystems in Australia, and is affecting heritage, economic activity and human wellbeing.