Our director Michael Greenstone tracks the impacts of cleaner air. Also view our infographic http://epic.uchicago.edu/news-events/news/infographic-cleaner-air-longer-lives …https://twitter.com/UpshotNYT/status/647408979723853824 …
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Our director Michael Greenstone tracks the impacts of cleaner air. Also view our infographic http://epic.uchicago.edu/news-events/news/infographic-cleaner-air-longer-lives …https://twitter.com/UpshotNYT/status/647408979723853824 …