A Surprising Climate Find

We humans have settled in all sorts of precarious environments: parched deserts, barren tundra, high mountains. None are precarious in quite the same way as atolls, the tiny, low-lying islands that dot the tropics. As the planet warms and the oceans rise, atoll nations like the Maldives, the Marshall Islands and Tuvalu have seemed doomed to vanish, like the mythical Atlantis, into watery oblivion.Of late, though,…