Alberta Order of Excellence winner David Manz

The Homestretch

Calgary engineer David Manz is one of this year's recipients of the Alberta Order of Excellence. It's the highest honour the province can give a citizen. Manz is the inventor of the household BioSand Filter, a device that has been used around the world to provide clean water in developing countries. He's also the co-founder of CAWST, the Centre for Affordable Water and Sanitation Technology.

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