David Gerson left his lucrative law practice to head Loaves and Fishes of Contra Costa, a nonprofit effort that provides free meals and other service to those in need.
Her Yoga Reaches Out charity has held Yogathons on both coasts and collected more than $1 million to help children and their families.
Conservation groups are mounting public service campaigns to persuade Vietnamese that buying rhino horn is decidedly uncool.
The physicist heads a new $5 million Georgetown Energy Prize that encourages midsize cities to develop innovative ways to slash energy use.
The effort, through its online portal at www.ustechvets.org, matches national and regional companies with veterans who have technical skills.
His nonprofit Pencils of Promise has built more than 170 schools in Ghana, Guatemala, Nicaragua, and Laos.
The athlete-adventurer co-founded a relay run called One Run for Boston that started in Los Angeles and ended at the marathon finish line to raise funds for victims.
Pop-ups allow new businesses to test having a storefront without investing in expensive long-term leases and infrastructure.
Frustrated by the inequality she experienced as a Navajo, Fleming founded Catapult Design to create new products and services for impoverished communities.
Growing seaweed rich in valuable chemicals — predicted to be worth $7 billion by 2018 — is emerging as a source of employment for rural women in India.
Participants on Instagram photograph, geotag, label, and then dispose of litter. By identifying litter, he hopes to drive companies to reevaluate the kind of packaging they use.
The Live Below the Line project April 28-May 2 aims to help people understand extreme poverty more personally by spending only $1.50 a day on food.
She's chief executive of Endeavor Global, a nonprofit group that gives a leg up to budding entrepreneurs.
A shelter in Kinshasa, Congo, provides aid, and sometimes a home, to children abandoned to the streets.
Designing and distributing technically sophisticated yet durable solar lights has been a nifty accomplishment for Greenlight Planet, whose aim is to replace dangerous kerosene lamps.
The annual Skoll World Forum on Social Entrepreneurship April 9 to 11 brings together top thinkers from Malala Yousafzai to Richard Branson. Watch sessions live here.
Agnes Vertes, who survived the Nazi Holocaust in Europe as a child, is one of many Americans sharing their stories now, while they still can.
Tech-savvy programmers and groups that help the homeless gathered for a weekend at a San Francisco church. The groups went away with brand-new software to help them in their missions.
City Faces, started as an arts activity for St. Louis kids, now includes help with homework, library skills, basic cooking, and other classes.
Flint is executive director of the Watertown (N.Y.) Urban Mission, which works quietly to help people get back on their feet so they can take care of themselves.