Filippo Giorgi, head of ICTP’s Earth System Physics group, and one of the vice-chairs of the Intergovernmental Panel on Climate Change (IPCC) Working Group I, speaks on Radio3 Scienza about the release of the 21-page IPCC summary report for policymakers, released today at the UNESCO headquarters in Paris. The interview, which is in Italian, is conducted by Fabio Pagan, ICTP Public Information Office.