Talk to anyone in Tuvalu, a 420-mile-long chain of coral islands located about halfway between Australia and Hawaii, and you will soon learn that the nation is sinking beneath the waves. It's a common topic of discussion among residents of Tuvalu, a specter constantly looming over the island nation's 10,000-odd citizens. In a country whose total area is roughly a quarter of Disney World's, spanning less than a third of a mile at its widest point, it is impossible to avoid the sight of the ever-encroaching ocean.
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