Creating Low-cost Construction Materials Using Recycled Plastic Waste

Posted on February 12, 2021  Comments (0)

Nzambi Matee is a materials engineer and head of Gjenge Makers (in Kenya), which produces sustainable low-cost construction materials made of recycled plastic waste and sand. For her work, Nzambi Matee was recently named a Young Champions of the Earth by the United Nations Environment Programme.

Building blocks for a greener Nairobi

Through trial and error, she and her team learned that some plastics bind together better than others. Her project was given a boost when Matee won a scholarship to attend a social entrepreneurship training programme in the United States of America. With her paver samples packed in her luggage, she used the material labs in the University of Colorado Boulder to further test and refine the ratios of sand to plastic.

It is wonderful to see young people using an understanding of engineering to find ways to improve the world. Taking waste plastic and creating usable products will help reduce pollution and create a better world. We need quite a bit of effort to deal with plastic waste, so I look forward to learning about many more ideas turned into practical solutions in the real world.

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