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The Tuvalu Islands are disappearing under water to the point that the population has to plan their emigration, that's one catastrophe.


https://www.nature.com/articles/s41467-018-02954-1

'Net increase in land area of 2.9%'

'Land area increase in eight of nine atolls. Island change has lacked uniformity with 74% increasing and 27% decreasing in size.'

'Results challenge perceptions of island loss, showing islands are dynamic features that will persist as sites for habitation over the next century, presenting alternate opportunities for adaptation that embrace the heterogeneity of island types and their dynamics.'


Also: "Sea-level rise and climatic change threaten the existence of atoll nations. Inundation and erosion are expected to render islands uninhabitable over the next century, forcing human migration"




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