Broadcaster and guest columnist for The Politics Jonathan Green talks all things federal politics. Award-winning climate scientist and writer Dr Joëlle Gergis, delves into her new book, Humanity's Moment: A Climate Scientist's Case for Hope. Joëlle is an Australian Lead Author of the UN’s Intergovernmental Panel on Climate Change (IPCC) Sixth Assessment Report and an advisor to the Climate Council. Dr Andrew Walter, Professor of International Relations at the University of Melbourne, stops by to chat about the latest in UK politics, including the mini-budget that caused the British pound to plummet to an all-time low and in the end led to the demise of new PM Liz Truss and Chancellor Kwasi Kwarteng.