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Tag Archives: Andrew MacDougall

EGU 2013: climate change hard to reverse

By Liz Kalaugher

It’s early days, but scientists are developing techniques to remove carbon dioxide from the atmosphere, either directly through technologies such as artificial trees or, less directly, by biomass burning with carbon capture and storage. Even if these methods are implemented, however, the Earth will feel the temperature effects of climate change for centuries to come.

That’s according to Andrew MacDougall of Canada’s University of Victoria, who gave a press conference at the European Geosciences Union’s General Assembly in Vienna. His simulations using the University of Victoria Earth-System Climate Model indicate that without any artificial carbon removal, and assuming that fossil fuels run out, around 60–75% of near-surface warming will remain 10,000 years into the future.

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