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The $120 Noise Sensor That Could Change Cities
When Daniel moved into a new apartment in Jerusalem, he discovered that noise pollution is invisible, intermittent, and nearly impossible to prove. The WHO estimates one million healthy life-years are lost annually in Western Europe from environmental noise alone — yet citizen monitoring infrastructure barely exists. Unlike air quality, where $30 sensors feed global networks, calibrated noise monitoring still costs thousands. This episode explores the hardware gap, the missing networks, and the build path that could finally let citizens contribute defensible noise data to researchers. From…
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