Traffic and Pollution Plummet as U.S. Cities Shut Down for Coronavirus #covid19 https://t.co/RXQkLn9FZV https://t.co/gnRnT49zZw

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Traffic and Pollution Plummet as U.S. Cities Shut Down for Coronavirus #covid19 https://t.co/RXQkLn9FZV pic.twitter.com/gnRnT49zZw

— Taras Grescoe (@grescoe) March 22, 2020

Traffic and Pollution Plummet as U.S. Cities Shut Down for Coronavirus #covid19 https://t.co/RXQkLn9FZV https://t.co/gnRnT49zZw http://twitter.com/grescoe/status/1241703333200646145 https://t.co/RXQkLn9FZV March 22, 2020 at 09:28PM