Air Pollution–Scrubbing Roof Tiles Get Real

Clean Technica: Despite the advancements made in regulating low-emission cars and city buses, air pollution remains a deadly killer — and a highly visible threat! — across the world. What’s needed, ultimately, isn’t just technology that reduces the amount of pollution we put into the air, but that actually cleans the air around us. That was the motivation behind a team of engineering students at the University of California who coated ceramic roofing tiles with titanium dioxide, a catalyst that enables the roof tiles to actually reduce the amount of air pollution wherever they’re installed.

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