Nature

Do Diligence

There are 1.6 million nonprofits in the U.S., but only a small number are rated by groups like Charity Navigator (charitynavigator.org)...

Why Can't We: Predict Earthquakes

Because we don’t know enough about plate tectonics. “We basically have a 50-year-old science, compared with most other sciences, which are hundreds of years old,” says Chris...

American Rivers

BY THE NUMBERS: 200 dams dismantled since 1998WHO'S IN CHARGE: CEO and president Bob Irvin, 52, a veteran attorney and environmentalist who most recently served as senior vice president...

Pathfinder International

BY THE NUMBERS: More than 3.75 million people received HIV and AIDS services through Pathfinder-supported projects in 2010 WHO'S IN CHARGE: In February, Purnima Mane will take over as...

Jon Rose

In September 2009, California surfer Jon Rose was sailing toward the island of Sumatra, carrying ten water filters that he planned to deliver to a rural community while enjoying a surf trip in...

Amy Purdy

Purdy is one of the country’s most effective advocates for disabled outdoor athletes, and she came to her work the hard way: by losing both legs below the knees when she was 19. In the...

Afghan Child Education and Care Organization

BY THE NUMBERS: More than 11 orphanages established in Afghanistan and Pakistan since 2003 WHO'S IN CHARGE: Andeisha Farid, 28, a former war refugee from Afghanistan. Before launching...

World Wildlife Fund

BY THE NUMBERS: More than $1 billion invested in roughly 12,000 projects in 100 countries since 1985 WHO'S IN CHARGE: Carter Roberts, 51, a Harvard MBA who spent 15 years leading domestic,...

American Forests

BY THE NUMBERS: Nearly 40 million trees planted in the past 21 yearsWHO'S IN CHARGE: Scott Steen, 47, former executive ­director of the American Ceramic Society, an organization for...

Technoserve

BY THE NUMBERS: Since 2010, an estimated 40,300 people employed in 30 countries with the help of Technoserve’s programsWHO'S IN...

Foundation Rwanda

BY THE NUMBERS: More than 830 children of rape survivors have been educated through Foundation Rwanda sponsorships since 2008.WHO...

Environmental Defense Fund

BY THE NUMBERS: Four million acres of private land are now protected under the group’s Safe Harbor program, which helps landowners preserve endangered-species habitat on their property.

African Wildlife Foundation

BY THE NUMBERS: Currently backing 31 conservation-oriented projects that generate more than $2 million annually for African communities; spent $19 million on programs in 2010WHO'S IN...

Rainforest Alliance

BY THE NUMBERS: More than 167 million acres of forests worldwide are now rated as sustainable under Rainforest Alliance’s certification systemWHO'S IN CHARGE: Tensie Whelan, 51, a...

Trekking for Kids

BY THE NUMBERS: Nearly $400,000 raised for ten orphanages in developing countries since 2005 WHO'S IN CHARGE: José Montero, 40, president of the Montero Group, a D.C.–based...

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