Key scientific adviser to Pope Francis, John Schellnhuber : climate scelpticism, how many people can fit on the planet, and can democracy solve this environmental crisis

JOHN SCHELLNHUBER, CLIMATE SCIENTIST

As the pope stakes out a firm position on the issue of climate change, one of his key scientific advisors meets Late Night Live, opening up about climate scepticism, how many people can fit on the planet, and whether democracy can solve this kind of environmental crisis. Please go here to read more and find a recording of interview.