Other parts of the world could face even more drastic change.
The Intergovernmental Panel on Climate Change (IPCC), a consortium of several thousand independent scientists, predicts that sea levels could rise by between 9 and 88cm in the next century.
This would threaten low-lying islands such as Tuvalu in the Pacific. These images, taken this year, show the effects of a higher than usual tide.
Image: Gary Braasch ©