Press Trust of India: Climate change is set to trigger more frequent and severe heatwaves in the next 30 years regardless of the amount of carbon dioxide (CO2) emitted into the atmosphere, a new study has warned.
Extreme heat waves such as those that hit the US in 2012 and Australia in 2009 dubbed three-sigma events by the researchers are projected to cover double the amount of global land by 2020 and quadruple by 2040, researchers said.
Meanwhile, more-severe summer heat waves classified as five-sigma events will...