President Mohammed Nasheed of the Maldives is confronting a problem greater than any other world leader has ever faced - the survival of his country and everyone in it. Nasheed, who brought democracy to the Maldives after decades of despotic rule, now faces an even greater challenge: as one of the most low-lying countries in the world, a rise of three feet in sea level would submerge the 1200 islands of the Maldives and make them uninhabitable.

Extra features: Video Q&A with director Jon Shenk; Hilton Worldwide/Sundance Institute LightStay Sustainability Award video; Biographies.