Olivier Kamanda

As the island nation of Tuvalu sinks into the ocean, the international legal community tries to craft a policy to help people displaced by climate change.

You can always go home again. Unless your home has been swallowed by floodwaters or fallen below sea level. But while victims of hurricanes in New Orleans or tsunamis in Southeast Asia can rely (sooner or later) on their national governments for support, there are entire island nations which face destruction with no support mechanism. By 2010, an estimated 50 million people will be displaced by the effects of climate change. That's approximately the combined population of New York, Florida, and Illinois made homeless. And that number is expected to rise to 150 million (nearly half the current population of the United States) by 2050, according to the Intergovernmental Panel on Climate Change.Consider the pacific island nation of Tuvalu, consisting of nine coral atolls-circular or horseshoe-shaped coral reef islands which encircle a central lagoon-whose entire population is about 12,000. Increased carbon emissions in polluting countries like the United States and China have driven up

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