City Faces, started as an arts activity for St. Louis kids, now includes help with homework, library skills, basic cooking, and other classes.
Flint is executive director of the Watertown (N.Y.) Urban Mission, which works quietly to help people get back on their feet so they can take care of themselves.
After persevering through her own challenges, Rafiatu Lawal now helps other young women in Ghana pursue their dreams.
She volunteers at Baltimore's Moveable Feast, which provides nutritious food to home-bound people living with chronic physical problems.
By providing housing to its homeless, Charlotte, N.C., saved $1.8 million, research at the University of North Carolina–Charlotte found.
The three keys to successfully helping out in a new community, he says, are being humble, volunteering constantly – and sharing the credit.
Bracken, himself a former foster child, started Orange Duffel Bag to offer life coaching and other help to teens dealing with the challenges of homelessness or foster care.
Deborah Jiang Stein, author of 'Prison Baby,' created the unPrison Project to help women in prison find their self-worth and realize that they can set goals and change their lives.
David Robinson's Sweet Unity Farms coffee co-op is farmer owned and operated. It's profits have been invested back into projects from solar panels for electricity to water management and irrigation.
The 18-year-old aspiring trapeze artist founded Cubs for Coping, which makes and donates handmade teddy bears to young people in hospitals, shelters, and clinics.
Some 2.5 billion people still have no access to modern sanitation. But beyond providing proper facilities future toilets may become profit-generating resources that create electricity, fertilizer, or fuel.
An ambitious program in Colombia shows that mixing grazing, agriculture, and trees can coax more food from each acre, boost farmers' incomes, restore degraded land, and make farming more resilient to climate change.
His Border Network for Human Rights doesn't just point out problems but proposes solutions. It could become a national model for dealing with immigrant rights.
The founder of the nonprofit University of the People, an online, degree-granting institution, wants to educate the world – for free.
Returning to Afghanistan from the US, Razia Jan stood up to opposition and founded the Zabuli Education Center, which now has a roster of more than 400 girls in kindergarten through ninth grade.
The Rainbow Program is a groundbreaking partnership between the Chinese government and international nonprofit groups that's helping China reimagine its entire child welfare system.
Working directly with residents of Mukuru, one of Nairobi's largest slums, Sanergy has developed a promising new method to improve sanitation through low-tech, low-cost toilets that create organic fertilizer.
She left her full-time marketing job to join the global fight against human trafficking and modern-day slavery.
Rubicon Bakery, a moneymaking business owned by Andrew Stoloff, employs 105 full-time staff, some with only a sixth-grade education and many having served time in prison.
Under intense pressure from customers and conservation groups, forest-products giant Asia Pulp & Paper has embarked on a series of changes that could significantly reduce deforestation in Indonesia and serve as a model for forestry reform.