In 1970, this is how many US cities looked. Find out how the #CleanAirAct impacted our lives https://epic.uchicago.edu/news-events/news/connection-between-cleaner-air-and-longer-lives …pic.twitter.com/nKOpCfgwsN
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
In 1970, this is how many US cities looked. Find out how the #CleanAirAct impacted our lives https://epic.uchicago.edu/news-events/news/connection-between-cleaner-air-and-longer-lives …pic.twitter.com/nKOpCfgwsN