Black Summer 2019-20 (IMAGE) University of Texas at Austin Caption New research led by The University of Texas at Austin shows that extreme weather events like Australia's "Black Summer" of 2019-20 could become more common if global warming reawakens an Indian Ocean El Niño in the future. Credit Indigo Skies Photography/Flickr Usage Restrictions Please use picture credit. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.