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Seed magazine interviews William Kamkwamba, the young engineer who built a windmill from scrap in his native Malawi, and eventually brought power to his entire village…

From the blustery plains of Texas to the Danish island of Samsø, wind power—and the giant, bladed towers that generate it—is all the rage in a warming world searching for cleaner sources of energy. Fourteen-year-old William Kamkwamba had never heard of windmills, or climate change, for that matter, when he stumbled across a photograph one day and it changed his life forever.

Now 22, Kamkwamba has become something of an international DIY celebrity: He’s spoken at the World Economic Forum, at the Aspen Ideas Festival, and at TED Global—twice. He’s chatted with Al Gore, Bono, and Larry Page. A documentary about his life is currently in the works. But Kamkwamba’s story isn’t really about stardom: It’s about the grit, resourcefulness, and audacity of a young engineer who built a windmill from scrap in his native Malawi and brought power to his home—and eventually lit up every house in the village. It’s told in brilliant detail in The Boy Who Harnessed the Wind (out now from William Morrow), co-authored with journalist Bryan Mealer. Seed editor Maywa Montenegro spoke with Kamkwamba while he was in New York City kicking off a US book tour. More…