With NoiseTube, Citizens Can Now Map Noise Pollution In Their Cities

With a smartphone in hand, urban residents can document a dangerous kind of pollution that doesn't get enough attention--even though it's around us all the time.

Street noise isn't generally a category-one issue for city governments, and they don't put a lot of resources into measuring it. The most they'll do is a set up temporary sound-level meters at certain locations, then generalize the readings over wider areas.

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