Nature-Based Solutions for Resilience in Sub-Saharan Africa: Where Do We Stand and What Is Needed?
In three of the past five years, Chad's capital, N'Djamena, has experienced significant flooding displacing vast numbers of people. As rains fall further north than usual, it becomes clear each year that existing flood protections aren’t enough. Unplanned urban development and the spread of concrete roads, buildings, and other hard surfaces that stop water from soaking into the ground make flooding worse and intensify other hazards such as extreme heat.