Why are we seeing more heatwaves?

How can we prepare for more frequent heatwaves? The hot, dry conditions that preceded our Black Summer bushfires are becoming more common. Paleoclimatologist Nerilie Abram used coral samples to look back into a thousand years of climate, and heatwave expert Sarah Perkins-Kirkpatrick analysed the last seventy years of global data about heatwaves. Our climate past gives us a view into a hot future.  See omnystudio.com/listener for privacy information.See omnystudio.com/listener for privacy information.