All Change Agent
- Actor-activist Sean Penn says he's in Haiti for the long haul
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.
- Bakery charity feeds North Korean children
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.
- 'One Day on Earth' captures the variety of human experience
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.
- Karen Armstrong argues for practical compassion
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?
- Obamas gave 22 percent of their 2011 income to charity
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.
- Shakira advocates for children at the Summit of the Americas
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.
- 'Harry Potter' and 'The Hunger Games' fans urged to do good
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.'
- Three ways Africans are making cheap do-it-yourself electricity
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 do good - and make a profit
Young entrepreneurs find new ways to drive social change through founding businesses.
- GoodGuide and others use technology to help turn consumers green
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.
- Nonviolent Peaceforce helps protect women, children in South Sudan
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.
- Unconventional Charity: Water aims to raise $2 billion for clean water
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.
- A growing answer to rising seas: floating homes
Homes, hospitals, even prisons and golf courses may be built over the water as architects cope with rising sea levels that will affect coastal cities around the world.
- Liz Squibb knows how to help foster children - she was one herself
Working at the Jim Casey Youth Opportunities Initiative she helps foster children make the transition to adulthood.
- Cooperative businesses provide a new-old model for job growth
Co-ops worldwide represent much more than hippie grocery stores: They're a fast-growing way to do business better in fields from finance to agriculture to industry.
- Barefoot College and Microformers shine as innovative power solutions
Institutions like India's Barefoot College, which teaches women how to run and repair solar installations, and projects like Microformers, which converts old microwave ovens into transformers, show ways to generate cheap electricity in poor regions.
- Why Boulder, Colo., took charge of its electric company
Running its own electric utility will allow Boulder to use more sun and wind energy instead of coal – at the same or lower cost.
- Five ways to make aquaculture more sustainable
Combining rice paddles and fish ponds, and using locally caught fish as feed, are just two of the ways that fish farming, or aquaculture, can be made more environmentally friendly.
- New York Mayor Bloomberg donates $220 million to anti-smoking efforts worldwide
The charitable foundation of Michael Bloomberg, the New York mayor and anti-smoking activist, is giving $220 million to aid anti-tobacco efforts in low- and middle-income countries, where nearly 80 percent of the world’s smokers live.
- Betty Oderwald helps save a memory in stone of a 200-year-old forgotten US war
Betty Oderwald has led an effort to restore the Powder House, one of Connecticut's few buildings connected to the War of 1812, now celebrating its bicentennial.