“The #COVID19 pandemic & the measures taken in many countries to contain it have taken a heavy toll on lives, livelihoods & economies. But there have …


“The #COVID19 pandemic & the measures taken in many countries to contain it have taken a heavy toll on lives, livelihoods & economies. But there have also been some unexpected benefits. In many places, we have seen a significant drop in #AirPollution”-@DrTedros on #CleanAirDay

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