This week, Unesco’s World Heritage Committee will decide whether the Great Barrier Reef should be labelled ‘in danger’. If this happens, it will be the first time a natural world heritage site has received this status due to the impacts of climate change. Environment reporter Graham Readfearn explains how the Morrison government is turning to an old playbook to lobby against this move. He also explores what an ‘in danger’ listing would mean for the future of the reef, and for Australia’s approach to climate change