The unbearable experience of walking in a heatwave from the future – video

Around the world, global heating is already causing more frequent heatwaves that last longer and bring more heat. Guardian Australia's Graham Readfearn has put his body to the test in an experiment see what effects the heatwaves of the future will have on humans. At the University of Sydney, he steps into a climate chamber that simulates the increased temperatures and humidity predicted in a rapidly warming climate. 'The sweat is stinging my eyes,' he says. 'It's 43C and the air is sticky and humid. It's getting hard to breath.' Continue reading...

By Reporting by Graham Readfearn . Filmed by Yuji Shimada and Sanjana Jose . Edited by Sanjana Jose with graphics by Nick Evershed and Rich Cousins . Sound design by Camilla Hannan . The executive producer is Michael Kalenderian