311 | The Tragic Choices of Climate Change

David talks to Helen Thompson and Adam Tooze about the choices facing the world in addressing climate change. Can we transition away from fossil fuels while maintaining our current ways of living? Will we act in time if we also insist on taking our time? Can the West uphold its values while getting its hands dirty with China? Plus we discuss whether American democracy is the worst system of all for doing what needs to be done.

234 | Michael Lewis Updated

Another chance to hear the prophetic interview we recorded with Michael Lewis late last year, when he warned about the risks to us all of what the Trump presidency was doing to the capacity of the American state to cope with a disaster.  David and Helen reflect on how that warning looks today and what it means for the fate of Trump's presidency and for the future of American politics.

137 | Talking Politics guide to ... Existential Risk

David talks to Martin Rees about how we should evaluate the greatest threats facing the human species in the twenty-first century. Does the biggest danger come from bio-terror or bio-error, climate change, nuclear war or AI? And what prospects does space travel provide for a post-human future?