A wake-up call on climate change

The news on climate change just keeps getting worse. A new landmark report from the Intergovernmental Panel on Climate Change (IPCC) says Earth's temperature is likely to sail past its predicted 1.5 degree increase in as little as a decade. The updated advice is being described as a code red for humanity, as the crucial UN summit in Glasgow this November creeps closer. Today on The Signal, the alarm is being sounded, louder than ever. So who's listening, and how will they respond? Featured: Emeritus Professor Will Steffen, Fenner School of Environment and Society, Australian National University, Canberra and Councillor, Climate Council