Brown2020

At TEDGlobal 2007, William Kamkwamba showed us how necessity is the mother of invention, making a windmill out of simple scrap materials to power his home in Malawi. Without any money, but armed with a book from the library and some ingenuity, this teenager from a rural village in Malawi gave a fitting answer to an earlier speaker’s opinion that renewable energy is “too expensive” for developing countries.