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.
Lors Thmey, which means 'new growth' in Khmer, teaches local entrepreneurs how to advise small farmers by providing farming necessities and technical know-how that boosts incomes.
Shannen Koostachin, a teenage activist in Canada who died before ever seeing the results of her work, has inspired a new hero in the DC Universe.
Krochet Kids teaches textile skills like crochet or knitting to women in Uganda and Peru, helping the women create a livelihood and escape poverty.
Retired New York Yankees relief pitcher Mariano Rivera was instrumental in restoring a 107-year-old church for Refugio de Esperanza, or Refuge of Hope, the Pentecostal Christian congregation led by his wife, Clara.
Activist, speaker, and filmmaker David Burstein says being fearless about learning new things is the place to start.
The web-based journalist is one of the few in Japan who continue to visit the region around Fukushima and give a voice to those who have been affected.
The Malala Fund, co-founded by Malala Yousafzai, the teenage girl from Pakistan who was shot by the Taliban for promoting the education of girls, is working to put refuge children from Syria back into school.
As executive director of Restorative Justice for Oakland Youth, Fania Davis sees programs like hers helping to shut down the school-to-prison pipeline.
'Energy scavenging' draws on a wide array of untapped energy sources – radio waves, vibrations created by moving objects, waste heat from computers or car exhaust systems — to generate electricity.
His Ubuntu Education Fund provides intensive, long-term help to 2,000 impoverished children and their families in South Africa.
The Gift of Education event supports the St. Monica's Children's Home outside Nairobi, Kenya, and covers most of the education costs for the 44 girls who live there.
The tiny Fahamu Refugee Programme has an ambitious goal: provide lawyers and advocates around the world with the legal resources they need to win a refugee's case.
Governments and nonprofits are working together on a practical solution to homelessness through the construction of tiny-house villages.
With newspaper revenues falling billionaires are stepping in to fund reporting, either by buying existing media outlets or starting new ones.
The Trust Card, or 'un-credit card,' helps low-income borrowers shed unhealthy debt and stay out of debt while accessing affordable credit.
The MacArthur Foundation has given a financial boost to seven 'highly creative' nonprofit groups that have 'outsized impact in bringing about social change.'