There have been four major floods in Lagos, Nigeria’s economic hub, over the past 14 years. The floodwaters swamp the open-air markets of Oshodi, one of the city’s largest informal trading centres, and rise through the stilted walkways of Makoko, a waterfront community of about 100,000 people built over the Lagos Lagoon. This disrupts the livelihoods of thousands of market traders, street vendors, waste recyclers and artisans. These informal traders, most of them women, sell fish and other food