Concerned about the health and environment issues created by the absence of public toilets in most Nigerian cities, social entrepreneur Isaac Durojaiye started a unique mobile toilet initiative to provide decent toilet facilities in strategic locations across the country.  This video, shot by Magnum photographer Eli Reed, is part of the Rippling project, an Ashoka-Magnum Foundation partnership.

Meet 14 year-old Titu Illias, who is using his talents as a singer to educate his community about the changes occurring in the environment -- a pressing issue in Bangladesh, considered by many to be one of the most climate-risk countries in the world.

The guinea worm is a waterborne parasite that has plagued humans since ancient times, but organizations such as the Carter Center are determined to eradicate it completely. In this video, Nicholas D. Kristof follows a young Sudanese boy who is being quarantined for treatment.

Trash can be recycled and turned into many things—the Ciudad Saludable organization in Peru is using it create employment opportunities for local people in the city's poorest neighborhoods.

There are 8 million rickshaw pullers in India. Most spend years paying high rental fees and never succeed in owning their own vehicles. But Pradip Sarmah has designed a new type of rickshaw that is helping some of the hardest-working people in India obtain a better reward for their labor.

In Northern India, the Bhalyani forestry department is taking an inclusive approach to environmental management. In this video, members of the local community tell the story of how they helped to establish the different facets of this sustainable project, including some of the challenges they faced.

In eastern Congo, New York Times columnist Nicholas D. Kristof learns first hand how difficult a woman's burden can be.

Valentine is a genocide survivor whose second daughter was a product of rape. Here, she tells the story of her trauma and how she's been able to move past it with help from Avega Agahozo, a Rwandan non-profit that helps survivors of genocide.

Indonesia's Dayak Meratus communities have created co-operatives and developed business institutions that protect their resources. However, the encroachment of private businesses on the local forest threaten their way of life and have forced them to respond in the best way they can: collectively.

Young people make up half of all new HIV infections, but one group has been living with the virus longer than most. In Romania in the 1980s, thousands of babies and children were infected because of unsafe medical practices. They are now coming of age and entering adulthood, full of life and hope for the future.

Life in the favelas of Rio de Janeiro has long been dominated by powerful drug gangs and corrupt cops. But Banda AfroReggae—part rock band, part community movement—wants to tell a different story, and give favela youth a different option. Co-founder Anderson Sa tells the group's uplifting story.

During conflicts and natural disasters, young people, at a crucial stage of their development, are faced with numerous challenges. Yet in the midst of these difficulties, youths will also help to raise their younger siblings, put food on the table, contribute to peace movements, galvanize their communities, and contribute in numerous other ways to positive changes. Crucial as these stories are, most of them are never told.

The head of the Setulang Forest Management Agency introduces us to the forbidden forest of the Oma'lung tribe of Borneo. He discusses the ancient laws that protect it, and the vital role his tribe is playing in the fight against climate change.

In southern Bangladesh, the average girl is married by age 15, drops out of school, and has her first child by 16. This puts both mother and baby at far greater risk of death in a region where maternal and newborn mortality are already high. She has no voice in these decisions. Her parents, husband, and in-laws decide. What happens when you give a girl a voice?

Save the Children's "Girls' Voices" project started in Southern Bangladesh in 2006 with the aim of encouraging young women to take control of their lives and their futures. It has touched 42,000 lives since then—including those of Shilpi and her family.

Deya and his large extended family live in a tiny village in Senegal, on the ragged edges of globalization and immigration. Questions of work and ambition arise as the family prepares for Tabaski, the biggest holiday of the year.