Estela de Carlotto heads the Grandmothers of Plaza de Mayo, who seek to reunite children taken from their mothers during Argentina's military dictatorship with their real families.
Nearly 1 billion people are still hungry and more than 1 billion others are overweight or obese. The need is for better access to better quality food.
Environmental groups are sending out a warning that transporting firewood across state lines can spread insects and diseases, wiping out swaths of forest and causing economic and environmental damage.
Educators across the country are finding millions of dollars in savings through cheap and simple forms of renewable energy. Since 2003, one school district has cut more than $7 million in energy costs. That equates to 45 teaching positions.
Items purchased on Zynga's popular Facebook games FarmVille and Mafia Wars raise money for Water.org, which provides safe water and sanitation for people in the real world.
Contract farming – an agreement between a farmer and a buyer – offers many benefits to small farmers if they have access to education and legal services.
By restoring buildings and activity to a historic St. Louis neighborhood Joe Edwards has become a powerful force for civic good.
More than one-quarter of Americans did volunteer work in 2011, providing 7.9 billion hours of service worth $171 billion. Utah led among states. Iowans responded to their governor's call for volunteers.
Whether to give to people on the street who ask for money is a complicated decision, with no easy right or wrong answer. It's a highly personal act that sometimes can be deeply rewarding.
What began as a one-woman campaign a decade ago has become a movement, and today Susana Trimarco is a hero to hundreds of women she's rescued from prostitution rings in Argentina.
Purchases that give a portion of the sale to a charity make shoppers feel good but may diminish overall giving to that charity, a consultant says.
The Connecticut-based nonprofit youth group of middle schoolers and teens plans and carries out projects that make a positive difference in their community and beyond.
His two-wheeled creation, a $20 bike made out of cardboard, could revolutionize bicycling, especially in the developing world.
For years, college student activists have pressured their schools to make sure clothing with college logos is sweatshop-free. Now, they have another choice: fair-trade clothing manufactured in the Dominican Republic by Alta Gracia.
Neal Gorenflo found he could share cars, lodging, office space, even a nanny, saving him money and helping him to live in a more sustainable way.
The US can learn from the modern, disaster-resistant electric grid in the Netherlands.
CleanStar Mozambique is a combined effort among a mix of institutions centered around replacing traditional charcoal cooking stoves with stoves fueled by sustainably produced bio-ethanol.
Gifts to charitable groups shot up 53 percent to $10 million on the Tuesday after Thanksgiving, which is being promoted as #GivingTuesday.
The Corner Project assists families with relatives in the US, ensuring, for example, that children of migrant workers born in the US are able to register for school or other services in Mexico.
Can a boat be designed to clean the water? How does a spider manufacture resilient fiber? The world needs products that don’t harm humans or the environment, and nature’s already done the research.