The Albanese government has now put a number on its climate ambition: a target of a 62-70% emissions cut by 2035 compared to 2005 levels. It comes after the release of the national climate risk assessment, which described a disastrous future for Australians on a warming planet. In this bonus episode of the Australian Politics podcast, climate and environment editor Adam Morton speaks to the chair of the Climate Change Authority, Matt Kean, on the advice that informed the government’s long-awaited emissions reduction target for 2035