A 20-year ‘mega-drought’ in Australia? Research suggests it’s happened before – and we should expect it again

By Georgina Falster, Postdoctoral Fellow, Australian National University
Nerilie Abram, Chief Investigator for the ARC Centre of Excellence for Climate Extremes; Deputy Director for the Australian Centre for Excellence in Antarctic Science; Deputy Director for the Centre of Excellence for 21st Century Weather, Australian National University
Nicky Wright, Research Fellow, University of Sydney

Natural variability in Australian rainfall can produce “mega-droughts” lasting 20 years or more. Add in human-caused climate change, and future droughts may be far worse than imagined.

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