Following their foundation's $10 billion pledge for vaccines, Bill and Melinda Gates discuss their Foundation's ambitious goals.
Scott Harrison, ex-nightclub promoter, gave it all up and created a charity that helps bring clean drinking water to villages around the world
Frustrated by the recession, young technologists use their skills to help African health workers diagnose diseases.
Rays of Sunshine, a U.K. based children's charity, partners with big companies and celebrities to fulfill dreams for ill kids.
Global Heritage Fund restores ancient architectural monuments and brings tourism to the poorest countries of the world.
Kiva.org allows people to venture start-ups around the world. It's also a way for US entrepreneurs to find sparse capital.
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Why Google ran a TV ad(2:13)
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Home Depot lights up recycling(03:02)
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Garbage powers Windex plant(2:36)
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Ford's government wish list(4:33)
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An environmental odd couple(2:48)
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$1.5M car you can't have(1:56)
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Cash-fueled acquisitions(1:49)

