As cities and countries around the world enter lockdowns, a surprising side effect has emerged โ air pollution is going down and cleaner air has arrived… for now. ยป Subscribe to NBC News: ยป Watch more NBC video: NBC News…
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As cities and countries around the world enter lockdowns, a surprising side effect has emerged โ air pollution is going down and cleaner air has arrived… for now. ยป Subscribe to NBC News: ยป Watch more NBC video: NBC News…