Frustrated with the slow municipal response to the problem of plastic waste, Matee told Reuters, “I was tired of being on the sidelines.” With her background in material sciences, the young entrepreneur designed a system which converts high density polyethylene, low density polyethylene, and polypropylene plastics into solid bricks. She founded Gjenge Makers in Nairobi to put this process into action. The company acquires plastics in need of upcycling from factories and recyclers. Matee explans, “There is that waste they cannot process anymore; they cannot recycle. That is what we get.”
Rather than reaching a landfill at the end of their usefulness, the plastics are shredded and combined with sand. Under high heat and compression, the new material is formed into colorful bricks of varying size and thickness. These bricks have tested at five to seven times the strength of concrete. They are ideal for building walls, paving driveways, and other construction needs. They're also affordable—they cost only $7.70 per square meter of laid brick. Since beginning production in 2017, the factory has processed 20 tons of plastic waste and production levels stand at 1,500 bricks per day.
The young engineer was recently recognized as one of seven 2020 winners of the Young Champions of the Earth sustainability honor from the United Nations. Winners of the award receive some seed funding, as well as the chance to get their ideas before the most powerful global decision makers. The champions are all under 30 years old and already leaders in the global fight for sustainability and a circular economy. Sustainability is not just an environmental concern for young innovators. The necessary changes can have huge economic impacts. Gjenge Makers' mission includes “creating job opportunities for youths and women” within the sustainability and construction industries in Kenya. The future looks bright for Matee and her company.
“Build Alternatively, Build Affordably,Build Sustainably”—that is Gjenge Makers' moto. To learn more about this youth-led company and their beautiful bricks, check out their website, and scroll down to watch the sustainability in action through a video from the United Nations
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