Tisna Nando, Indonesia

The 2004 Asia tsunami destroyed villages, towns and lives. But in calamity there is sometimes opportunity—a wiping of the slate that, for better or worse, allows people to start over. In the aftermath of the disaster, Tisna Nando, a 35-year-old environmentalist from Indonesia's North Sulawesi province, saw that kind of clean-slate opportunity. As an education-and-awareness manager at Fauna & Flora International (FFI), a U.K.-based environmental NGO, Nando has worked for the past two years to help the people of devastated Aceh province create a better future for themselves by learning to live in greater harmony with their...