Kiribati is a nation made up of 33 tiny islands, scattered across an area of the Pacific Ocean more than twice the size of Alaska. The average height of the islands is approximately 6.5 feet. Land is scarce and drinking water can be in short supply. There's nowhere to retreat.

At the most recent round of United Nations climate negotiations in Cancun, Mexico, Kiribati President Anote Tong said the rising sea could "ultimately lead to the demise of island countries like Kiribati," within 50 years.

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