Despite efforts to halt climate change, it came too late to save many lowland areas of the world. Sea levels rose nearly two metres by the end of the 21st century, displacing hundreds of millions of people.* The Maldives were especially hard hit, with most of the nation disappearing underwater completely.* Countries around the globe were forced to begin large-scale evacuation and resettlement programmes, while trillions of dollars were spent on coastal defences.

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