Viateur and his wife, Judith, have married across the divide between Hutus and Tutsis, becoming entrepreneurs and peace builders.
Educate Girls trains young people to go into villages to find girls who are not in the classroom.
Video games with a purpose, from peacemaking to teaching empathy to treating social problems such as discrimination, are growing in number and sophistication.
In a Nairobi, Kenya, slum, residents used technology to map the area, a key first step in solving problems from waste removal to street lighting. Those with phones can now report problems more accurately.
Rabbi Michel Serfaty takes his ‘friendship bus’ around France to spread a message of tolerance and understanding
An anonymous man inspired by a 'pay-it-forward' movement launched by his eighth-grade science teacher left the tip to a Times Square waitress who said she was facing eviction.
The aloe plants reduced erosion and improved the soil, enabling grass to grow in a dry climate. The leaves are exported to Britain as an ingredient in cosmetics.
The sportswear company wants to help save the oceans by recycling marine plastic trash into products.
A small but growing number of Americans are integrating donations to charity into weddings or other milestone celebrations.
Messages on social media during a recent flood in Jakarta, Indonesia, gave information about locals conditions such as water depth, enough to create useful flood maps, researchers found.
Cyclone Pam left behind devastation all along the string of some 80 islands that make up Vanuatu. Luxury yachts pitched in to help, bringing aid to remote locations.
Environmentalist Ma Jun built a mobile phone app that lets users see whether a Chinese factory or power plant is violating pollution standards. His efforts won him a $1.25 million prize from the Skoll World Forum on Entrepreneurship.
'Daily Show' comedian Aasif Mandvi co-wrote the Web series 'Halal in the Family,' which is based on an 'ordinary' Muslim American family.
Because of the efforts of the former police officer, many people he came to know on the streets now have stable housing – in a place and in a program he helped create.
Inspired by a trip to an orphanage in Nairobi, Kenya, Kenton Lee was inspired to create a pair of shoes that would fit kids for as many as five years.
With many of its biggest cities are already bursting at the seams, India is working on its first 'smart' city, with gleaming towers, drinking water on tap, automated waste collection, and a dedicated power supply – luxuries to many Indians.
Al-Nasir Bellah Al-Nasiry was attacked and shot as a teenager. But instead of seeking revenge today he is a medical doctor and an advocate for a peaceful future in Iraq.
Gwyneth Paltrow faces a social media backlash for participating in a food bank challenge to live on a $29 grocery budget for a week. Critics accuse her of mocking the experience of hunger. But such celebrity challenges can raise awareness and funds.
The GPS in smartphones could detect earthquakes and trigger warnings seconds before the strongest waves from the quake begin, researchers say.
Founder Dave Isay was awarded the 2015 TED Prize to promote his nonprofit work recording, sharing, and preserving the stories of people's lives.