The people that are preparing the world for a disaster

Asteroids, weapons of mass destruction, supervolcanoes, future pandemics, ecological collapse and wars – these are things we do not want to imagine but there are people that prepare humanity for them. <br /><br /><br /><br />In this episode, host Jonathan Samuels speaks to Dr Charity Dean, chief executive and founder of The Public Health Company; Jens Orback, executive director of the Global Challenges Organisation; and Richard Atwood, interim president of the International Crisis Group.