'The great unknown': New climate change data lifts the sea-level threat

By Peter Hannam
Updated May 23 2017 - 9:03am, first published 8:55am
After the big storm, houses at Collaroy Beach front. Photo Peter Rae Monday 6 June 2016 Photo: Peter Rae
After the big storm, houses at Collaroy Beach front. Photo Peter Rae Monday 6 June 2016 Photo: Peter Rae

The giant ice sheets of Antarctica and Greenland are melting faster than scientists previously estimated, raising the prospect of faster sea level rise placing at risk low-lying areas of Sydney and similar exposed cities around the world.

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