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Five questions with Erna Grasz
The hardest question that Erna Grasz has answered came from a…
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Five Questions with Jack Sim
We need an international conversation about poop, Jack Sim says. We…
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Solar Home Systems in Off-Grid Thailand: Five Questions…
Salinee Tavaranan heads a new kind of solar company that supplies…
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Five questions with Alan Spybey
Until the 1990s, small-holder farmers in developing countries had few, if…
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Five questions with Sam Dargan
Sam Dargan founded a music production company to promote the solar…
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Five Questions with Sam Hamner
Knees can be challenging to make. Think about how your knee…
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Five Questions with Daniele Lantagne
Daniele Lantagne has spent more than a decade fighting against a…
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Five Questions with Francesco Piazzesi
Francesco Piazzesi is helping tens of thousands of people in rural…
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Five questions with Ayorkor Korsah
Slowly but surely, robots are rolling into African schools. And it’s…
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Five Questions with Anand Shah
Using leading edge, low-cost technology and an important vision, Anand Shah…