Sea level rise could hit 2 metres by 2100 - much worse than feared

A new assessment found runaway carbon emissions and melting ice sheets could result in such a worst case scenario, potentially double the upper limit outlined by the UN climate science panel’s last major report.

Around 1.79 million square kilometres of land could be lost and up to 187 million people displaced. “Many small island states, particularly those in the Pacific, will effectively be pretty much inhabitable. We are talking about an existential threat to nation states,” says Bamber.