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Australian scientists take 6 degrees of global warming off the table, say it is closer to 2
Posted on May 28, 2013 by Anthony Watts
From the University of Melbourne
Australian scientists take 6 degrees of global warming off the table, say it is closer to 2 | Watts Up With That?
Posted on May 28, 2013 by Anthony Watts
From the University of Melbourne
Australian scientists take 6 degrees of global warming off the table, say it is closer to 2 | Watts Up With That?
Australian scientists have narrowed the predicted range of global warming through groundbreaking new research.
Scientists from the University of Melbourne and Victoria University have generated what they say are more reliable projections of global warming estimates at 2100.
The paper, led by Dr Roger Bodman from Victoria University with Professors David Karoly and Peter Rayner from the University of Melbourne and published in Nature Climate Change today, found that exceeding 6 degrees warming was now unlikely while exceeding 2 degrees is very likely for business-as-usual emissions.
This was achieved through a new method combining observations of carbon dioxide and global temperature variations with simple climate model simulations to project future global warming.
Dr Bodman said while continuing to narrow the range even further was possible, significant uncertainty in warming predictions would always remain due to the complexity of climate change drivers. This study ultimately shows why waiting for certainty will fail as a strategy, he said. Some uncertainty will always remain, meaning that we need to manage the risks of warming with the knowledge we have.