Problem  

Kenya is facing a dual crisis of plastic pollution and inadequate housing. In Nairobi, although 95% of waste is reusable, only 5% is recycled– which leads to significant pollution and missed economic opportunities. The city generates 500 tons of plastic waste daily, while plastic debris poses risks to marine life and human health. Despite the Kenyan Government’s 2020 ban on single-use plastics in protected areas, such waste remains widespread, exacerbated by African nations being used as dumping grounds for plastic waste from around the world.  

The housing crisis in Kenya is equally severe, with over 2 million households lacking adequate shelter. This deficit grows by 200,000 units annually, as demand (250,000 units/year) far outpaces supply (less than 50,000 units/year). High construction costs, inflation (5%), rising urban land prices, declining household incomes, inefficient mortgage systems, and corruption exacerbate the problem. Addressing this requires more than constructing homes; it demands equitable, people-centered, and sustainable urban solutions.  

Responses  

Gjenge Makers is seeking to tackle these challenges by repurposing plastic waste into durable, eco-friendly construction materials like paving blocks and tiles. By blending shredded plastic with sand, they produce materials seven times stronger than concrete yet significantly lighter. By 2024, the social enterprise has reportedly recycled over 200,000 kilograms of plastic waste and created 600 jobs, particularly for marginalised women, youth, and waste pickers. 

Gjenge's approach seeks to contribute to a circular economy, reduce CO₂ emissions, and foster environmental preservation. These recycled plastic pavers not only improve aesthetics but also symbolise sustainable community transformation. Their work supports stronger and more affordable construction materials, enhancing the industry and empowering vulnerable communities. By addressing both environmental and social challenges, Gjenge promotes cleaner neighborhoods and better housing conditions while fostering health, economic stability, and sustainability. 

Find out more: Kenyan Chronicles, Gjenge Makers