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Earth

Latest numbers show at least 5 metres sea-level rise locked in

It’s too late to stop the seas rising at least 5 metres and only fast, drastic action will avert a 20-metre rise, New Scientist calculates based on recent studies

By Michael Le Page

10 June 2015

New Scientist. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

Still dreaming of that seaside villa?

Francesco Zizola/Eyevine

WHATEVER we do now, the seas will rise at least 5 metres. Most of Florida and many other low-lying areas and cities around the world are doomed to go under. If that weren’t bad enough, without drastic cuts in global greenhouse gas emissions – more drastic than any being discussed ahead of the critical climate meeting in Paris later this year – a rise of over 20 metres will soon be unavoidable.

After speaking to the researchers behind a series of recent studies, New Scientist has made the first calculations of what their…

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