2012 Goldman Environmental Prize winner Ma Jun enlists ordinary Chinese to help clean up China's pollution.
Nina Olson is the National Taxpayer Advocate – the voice of the public at the IRS. She's trying to help you navigate the tax code you love to loathe.
When his school bus driver collapsed, 13-year-old Jeremy Wuitschick grabbed the steering wheel and pulled the keys from the ignition.
When victims go behind bars to talk with those who did them harm, they receive something the legal system doesn't provide: a chance to find real closure, maybe even forgiveness.
Osama Abu Ayyash visits Israeli classrooms, telling his story of loss and forbearance to humanize Palestinians to Israelis who may have never met one.
Eric Maddox created the Virtual Dinner Guest Project to bring people from different cultures together over a meal through a video link.
Dina Fesler went to Afghanistan to learn how to teach U.S. students about the country. Now she's opened a school there.
After losing her journalist son in Somalia, Kathy Eldon started a foundation that's touched the lives of millions.
Camila Batmanghelidjh founded Kids Company to help children – and now helps troubled teens. who often get little sympathy since the London riots.
Once a top investigative reporter in China, Deng Fei now writes a popular microblog that moves readers to action.
After the 2010 earthquake, Tony Boursiquot hurried home to help save Haiti's next generation.
A growing numbers of skiers in Colorado want to try backcountry skiing, away from the groomed and patrolled trails. Shan Sethna's classes help newcomers learn about avalanche dangers.
In Israel, most Ethiopian Jews are trapped at the bottom of society in dead-end jobs. Asher Elias gives them high-tech training to boost their upward mobility.
Biologist Álvaro Cogollo draws on Colombia's native vallenato music to inspire a love for his country's biodiversity.