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The 100-Meter Gradient: How Your Street Changes Your Health
You walk 100 meters off a main road and suddenly everything changes—the noise drops, the air feels cleaner. Is this real or just a feeling? This episode dives into the hard data on urban microclimates, revealing that pollution levels can vary by a factor of five to eight within a single city block, and noise can drop by 25-35 decibels just one street back. We explore the physics behind these steep gradients, the health impacts of where you live (from cardiovascular mortality to cognitive effects in children), and the tools—like PurpleAir sensors—that let you ground-truth your neighborhood…
The skinny
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