IPCC report calls for urgent climate action, but will governments listen? The UN's Intergovernmental Panel on Climate Change (IPCC) has published a landmark report on climate change. Prepared by hundreds of world's top scientists, it lays out the impact of global warming so far, as well as the tools available to prevent climate catastrophe. The report says today's record heat will be ordinary in a generation's time. Meanwhile, Swedish climate activist Greta Thunberg has denounced a "betrayal" by world leaders for failing to act on climate change. FRANCE 24's Science Editor Shirli Sitbon gives us her analysis.