Neighborland, a New Orleans-based start up focused on citizen participation, hopes that its unique twist on social networking will help bring neighbors back together.
The 320 Transition Town initiatives in 14 countries focus on urban agriculture, crowdfunding, and other social enterprises, using a 12-step model to organize a community toward a sustainable, resilient future.
Sean Penn's role in Haiti has evolved from heading a band of volunteers and serving as unofficial mayor of a homeless camp to becoming ambassador-at-large for President Michel Martelly, the first non-Haitian to receive the designation.
Love North Korean Children has built four community bakeries with the humble intention of providing 5,000-plus youngsters with one steamed bun per day.
Kyle Ruddick and Brandon Litman got some 19,000 people to make videos of what they saw on a single day in every country in the world. The film 'One Day on Earth' shows what they found.
All Americans are better off because biking and walking foster public health, stronger local communities and economies, less traffic congestion, safer streets, lower energy use, and a cleaner environment.
The historian has helped world religions unite behind the idea of a worldwide charter for compassion. Can it become more than just a nice idea?
The biggest Obama charitable gift went to the Fisher House Foundation, a group that provides free or low-cost housing to military personnel or their families while they receive medical treatment.
2012 Goldman Environmental Prize winner Ma Jun enlists ordinary Chinese to help clean up China's pollution.
Shakira will meet with heads of state, including President Obama, at the Summit of the Americas in Colombia. Shakira is already working to provide better education to children.
Movies can inspire social action, says Andrew Slack, head of the Harry Potter Alliance. He challenges fans to 'fight injustices in our world the way [Harry Potter] fought injustices in his world.'
In countries like Kenya and Tanzania, most people lack access to electricity. Wind turbines made from local scrap and a 'Netflix' model for distributing batteries may be solutions.
Young entrepreneurs find new ways to drive social change through founding businesses.
A host of companies and nonprofits are using technology – from smartphones to social networking – to make it easier for consumers to choose environmentally friendly products.
When his school bus driver collapsed, 13-year-old Jeremy Wuitschick grabbed the steering wheel and pulled the keys from the ignition.
Picking crops that would otherwise be left in a garden or field to rot, and sharing them with those in need, is a time-honored idea that's gaining fresh momentum today.
When victims go behind bars to talk with those who did them harm, they receive something the legal system doesn't provide: a chance to find real closure, maybe even forgiveness.
Brewing conflict with Sudan in the north, and Joseph Kony's LRA in the south, are just two of South Sudan's challenges. Nonviolent Peaceforce is working to protect the population, especially women and children, from these and other threats.
Scott Harrison, the founder of Charity: Water, takes an unconventional approach to bringing clean water to millions of people. Among his ideas: Put 100 percent of donations directly into projects – and look to entrepreneurs, not other charities, for great ideas.