The United Nations has honored the Black Mamba Anti-Poaching Unit, comprised mostly of women, which has dramatically reduced poaching in a South African national park.
Akagera National Park was devastated during Rwanda's 1994 genocide. Now wildlife, including hippos, crocodiles, and even lions, is coming back.
In a low-income area of Seattle, neighbors help to crowdfund the dreams of local entrepreneurs by providing interest-free loans.
Today his South End Technology Center is helping the city's youths prepare for the future.
A small Rescue Base Station will allow people to call, send messages, and even browse the Internet for help when regular phone service is disrupted by a natural disaster.
The flat-packed building kit from Aleutia, a British tech company, includes computers preloaded with educational resources.
Farmers are switching to hardy orange sweet potato to cope with drought and improve food security.
In the 15 years since its founding, the Barron Prize has awarded more than $540,000 to some 364 young leaders who have collectively raised more than $15 million for their causes.
Set between a Shell station and a Catholic school, this small, corner-store-sized farm has big ambitions: to provide food to the homeless, purpose to the aimless, and satisfaction to everyone willing to get their hands dirty.
The 6-by-10-foot dwellings provide people who have been living on the streets a safe place to sleep and put together a plan.
An astrophysicist at NASA uses his engineering skills to help children in his neighborhood with free bike repairs.
Men make up the majority of a nonprofit human rights group working to protect girls and women.
The series provides meatier content than the average TV reality show, but it resonates with viewers. The goal is to promote better agricultural practices and give a greater voice to women farmers.
In Cleveland, worker-owners at Evergreen Cooperatives can buy homes without a loan, keeping workers near their jobs and helping revitalize neighborhoods.
Roots of Peace provides Vietnamese farmers with training, seeds, and tools that have helped their pepper orchards to thrive.
The District Alliance for Safe Housing (DASH) in Washington, D.C., provides a launching pad for restarting women's lives.
In Mali, women have become central to efforts to adapt to climate change. Their work is gradually helping them increase their political clout too.
The rugged, hand-powered wheelchairs, made by volunteers, are distributed in more than 100 countries.
A successful businessman in the US, Virendra Singh returned to his home in India to found a nonprofit group that educates girls and employs older women.
Governments and private groups are seeing the potential of school gardens to help overcome a nutritional crisis.