Bamboo is so tough and so plentiful it’s used for construction scaffolding all aver Asia. So why not use it to build bikes? It seemed like a good idea to design maestro Craig Calfee and to the Earth Institute at Columbia University in New York City. The two have teamed up to build better bikes for poor Africans in rural areas and stimulate the local bicycle industry in a number of African countries. The NI talked to Bamboo Bike Project co-ordinator and Columbia scientist David Ho.