Australasia Has Hottest 60 Years in a Millennium, Scientists Find

Study of tree rings, corals and ice cores finds unnatural spike in temperatures that lines up with man-made climate change.

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The last 60 years have been the hottest in Australasia for a millennium and cannot be explained by natural causes, according to a new report by scientists that supports the case for a reduction in manmade carbon emissions.

In the first major study of its kind in the region, scientists at the University of Melbourne used natural data from 27 climate indicators, including tree rings, corals and ice cores to map temperature trends over the past 1,000 years.

“Our study revealed that recent warming in a 1,000-year context is highly unusual and cannot be explained by natural factors alone, suggesting a strong influence of human-caused climate change in the Australasian region,” said the study’s lead researcher, Dr Joelle Gergis.

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