WHAT’S THE EMERGENCY?

As catastrophic fires and drought sweep eastern Australia, world-leading scientists warn that climate tipping points are too risky to bet against. What are the likely ecological and social consequences and how does the evidence justify an emergency-level response?

Michael Mann – Director, Earth System Science Center, Pennsylvania State University
David Spratt – Research Director at Breakthrough – National Centre For Climate Restoration

Moderated by Jo Chandler – Science Writer & Journalist