But the climate refugees left most vulnerable live outside the U.S. The yearslong drought in Central America’s Dry Corridor, for example, is quietly driving subsistence farmers and agricultural workers toward the increasingly militarized U.S.-Mexico border. And although the U.S. is responsible for more climate-warming carbon dioxide emissions than any other country in the world, its asylum system does not account for those escaping drought. Indeed, in a world where climate change is already fueling massive movements of people, hardly any nations officially recognize the existence of the climate refugee.
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