Kenya: Flooding, Plastic Pollution and the Circular Economy Intersection
In Nairobi, the "Green City in the Sun," the climate crisis isn't a distant threat—it is a daily reality that manifests through increasingly erratic and intense rainfall. I see how our traditional "take-make-dispose" economic model is colliding with these changing weather patterns to create a unique urban crisis. The most visible impact of climate change here is the intensification of flash flooding, which is severely exacerbated by our city's struggle with waste management.
When these heavy downpours hit, the sheer volume of water meets a drainage system often choked by plastic and unmanaged debris. This creates a dangerous "urban drowning" effect. For our community members, this presents a devastating cycle: roads become impassable, and in informal settlements, the lack of resilient infrastructure means homes are easily inundated. Beyond the physical damage, there is a profound economic and health toll. Small-scale traders, such as the ubiquitous "Mama Mbogas," can lose their entire livelihoods in a single afternoon of flooding, while the mixture of stagnant water and uncollected organic waste drives up the risk of waterborne diseases like cholera and increases breeding grounds for mosquitoes as temperatures rise.
In response to these challenges, Nairobi is undergoing a quiet but powerful circular revolution. We are beginning to see waste not as a nuisance that clogs our pipes, but as a vital resource for climate adaptation. At the grassroots level, innovative startups are leading the way by transforming the very plastic that causes flooding into durable construction materials, such as paving bricks. This effectively removes debris from the environment while creating green jobs.
Simultaneously, community youth groups in neighborhoods like Kibera and Mathare are tackling organic waste—a major source of methane in landfills—by converting it into high-quality compost for urban vertical gardens. Even at the policy level, Kenya’s landmark ban on single-use plastic bags remains a global benchmark for direct climate action. These efforts, combined with new digital platforms that connect households to "waste-preneurs," are shifting Nairobi toward a model that flows rather than clogs. By embracing the circular economy, our community is building a city that can breathe and remain resilient even as the climate continues to shift.