Today’s Solutions: January 30, 2023

According to singer Katie Melua there are “nine million bicycles” in Beijing—more or less. All these bicyclists fight their way through excessive air pollution. Now, Dutch artist Daan Roosegaarde imagines a bike that pulls in dirty air, filters it, and releases clean air. This smog-clearing bike could solve China’s dual problems of road congestion and poor air quality. Roosegaarde presented his Smog Free Project at TED 2017.

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