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Tuvalu is one of the world's smallest countries and among the most exposed to rising seas
Tuvalu is a Pacific nation of three reef islands and six atolls, sitting about midway between Hawaii and Australia. Its land covers only about 25 square kilometres, and the 2022 census counted 10,643 people. The islands were first settled by Polynesians around three thousand years ago. Britain established a protectorate in 1892, and Tuvalu became independent in 1978. Because the land is so low-lying, rising seas threaten its freshwater and homes. The country relies on fishing licences, aid and remittances from seafarers, and it speaks for small island states in international climate talks.
Atolls are low coral rings with very little soil, so seawater can seep into the ground and contaminate freshwater. Even small rises in sea level increase flooding during high tides and storms, eroding land that has no high ground to retreat to.
Tuvalu is a direct test case for sea level rise: a nation that contributes almost nothing to emissions faces some of the most immediate risks. Its diplomacy through the Alliance of Small Island States has shaped how climate negotiations treat loss and damage.
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Image: Wikimedia Commons
