WRI Insight: In Sub-Saharan Africa, Nature-Based Solutions Take Root
For the 21 million residents of Lagos, Nigeria, climate change is not a distant concept — it is a current reality. Over the past decade, the city has experienced devastating floods, exacerbated by the loss of over half of its wetlands that previously captured and slowed floodwaters. By 2050, the risk of climate-induced flooding could be twice as high as it is today, affecting an estimated 40 million people.
Communities in the Horn of Africa face their own threats — not from flooding but from a lack of water. The region is experiencing its longest drought on record. Millions of people are facing hunger as a result, many of whom are now displaced as climate refugees.
These scenarios are becoming more common across sub-Saharan Africa. The region is disproportionately impacted by climate change, despite contributing the least to global greenhouse gas emissions causing the crisis.
Yet at the same time, communities are increasingly adopting a powerful tool to build resilience to climate threats: nature-based solutions.
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