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In Depth

Catalytic paint a pollution solution for Manila street artists

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Feb. 21 - Manila's street artists have joined the war on smog, using a pollution-eating paint for colorful murals adorning walls along the city's busiest highway. Chemicals in the paint interact with sunlight to convert harmful pollutants into harmless molecules, reducing smog and helping residents breathe easier. Tara Cleary reports.

In Depth

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