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Sea levels to rise 1.3m unless coal power ends by 2050, report says

11/5/2017

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Sea levels to rise 1.3m unless coal power ends by 2050, report says
University of Melbourne paper combines latest understanding on Antarctica and current emissions projection scenarios
By Michael Slezak
Thursday 26 October 2017 07.00 EDT
​The Guardian

Coastal cities around the world could be devastated by 1.3m of sea level rise this century unless coal-generated electricity is virtually eliminated by 2050, according to a new paper that combines the latest understanding of Antarctica’s contribution to sea level rise and the latest emissions projection scenarios.

It confirms again that significant sea level rise is inevitable and requires rapid adaptation. But, on a more positive note, the work reveals the majority of that rise – driven by newly recognised processes on Antarctica – could be avoided if the world fulfils its commitment made in Paris to keep global warming to “well below 2C”.

In 2016, Robert DeConto from the University of Massachusetts Amherst revealed that Antarctica could contribute to massive sea level rise much earlier than thought, suggesting ice sheet collapse would occur sooner and identifying a new process where huge ice cliffs would disintegrate.

But that paper only examined the impact of Antarctica on sea level rise, ignoring other contributions, and didn’t examine the details of what measures society needed to take to avoid those impacts.
Continue Reading at The Guardian
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