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The UN predicts that desertification, diminishing water supplies, and rising sea levels could contribute to 50 million refugees worldwide by the year 2010. Who bears responsibility for their displacement and for finding them a home? This is just one of the many urgent ethical questions raised by climate change. The goal of the Rock Ethics Institute is to partner with scientists, engineers, and policy makers to insure that questions like this do not go unaddressed. Global solutions must be fair solutions.