Back when there were Arctic alligators and turtles, ‘polar stratospheric clouds’ kept their world warm. Research suggests these clouds contribute to the ‘missing warming’ in climate models.
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Articles on climate history
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A change in climate may have triggered the decline and collapse of the Mayan city of Mayapán in the 15th century.
Science has made a strong case for the year 536 as being one of the worst in human history, a year punctuated by volcanic eruptions, drought, famine and plague - and a year long winter.
Greenland’s conditions were once similar to those of a greenhouse. Volcanoes swelled the land, constricted seaways and gigatonnes of greenhouse gases were released into the atmosphere.
Future extremes from the Indian Ocean will be acting on top of global warming, giving a double whammy effect, like the record-breaking heat and drought we saw in 2019.
Top contributors
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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
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Associate Professor, Earth and Planetary Sciences, Curtin University
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Research Fellow, University of Sydney
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PhD Candidate, Australian National University
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Research assistant, Deakin University
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Senior scientist, Geological Survey of Denmark and Greenland
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Geological Survey of Denmark and Greenland
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Senior lecturer, UNSW Sydney
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Professor and Director of the Climate Change Research Centre, UNSW, UNSW Sydney
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Lecturer in Atmospheric Dynamics, UNSW Sydney
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Postdoctoral Research Associate, University of Cambridge
