Enough food to feed the world's 800 million hungry is wasted every year. A new interactive platform will try to reduce the losses.
The group Got Your 6 wants to refocus the story of post 9/11 US military veterans. Instead of being damaged and fragile, most of today's generation of vets are committed to lives of serving others.
Tina Thomas spent her childhood moving between 13 foster homes and five group homes. But when she began mentoring other abused girls, her life gained a focus and purpose.
Shawn Askinosie works directly with developing-world growers to sweeten their lives, too.
Krithi Karanth has witnessed threats, poachers, and forest fires as she tries to learn how people and wildlife can live in harmony in a crowded India.
A young double amputee paddles down the 2,500 miles of the Mississippi River to bring wheelchairs to his native El Salvador.
Brittanie Richardson is one of a growing number of activists running grass-roots campaigns to stop children in the slums from entering the sex trade.
Two Iraq veterans trekked across America to leave behind the trauma of war and raise funds to help fellow vets. Now they want to offer the same healing experience to others.
Because utilities can't control when the sun shines or the wind blows, it has been hard to incorporate solar and wind power into the electricity grid. But new storage technologies could soon change that.
Honeybee populations are under attack but the founders of nonprofit HoneyLove believe bees' best future is in cities.
Handing out goods such as tents and blankets may not be the most effective way to help those displaced by war or disasters. Refugees may know their own needs best.
As a teen she founded Warm Winters, which has worked with ski resorts, Girl Scouts, and high school ski teams to donate more than 5,000 items of warm clothing to 2,500 homeless people.
Detroit artists Gina Reichert and Mitch Cope bought vacant homes and converted them into a multi-faceted artistic community, including a performing arts center and recording studio.
Hungry goat herds could replace toxic herbicides, controlled burns, and even bulldozers to eliminate invasive phragmites that choke off native vegetation.
Bob Miner's DEW Animal Kingdom & Sanctuary cares for more than 200 animals, many of which once were in zoos or kept as exotic pets.
Leave No Veteran Behind helps pay for veterans' student debts not covered by other military programs, like the G.I. Bill.
Samasource breaks down complicated data-processing projects into small steps that can be done remotely on PCs in countries like Ghana, Uganda, and Haiti.
The Tribal Huks gang have been making approximately 500 sandwiches daily and dropping them off at New Zealand schools. American gangs have responded similarly in the past.
Kailash Satyarthi has taken effective steps toward ending the worldwide exploitation of children, says the head of one of his efforts, Goodweave International.
Farmers in one of the world's least-developed countries are restoring degraded land using innovative techniques to conserve water and soil.