https://www.theguardian.com/environment/2018/sep/22/invisible-killer-how-one-girls-tragic-death-could-change-the-air-pollution-story

https://www.nytimes.com/2006/10/29/nyregion/a-study-links-trucks-exhaust-to-bronx-schoolchildrens-asthma.htm

http://sparetheair.com/

https://www.citylab.com/transportation/2016/09/manhattan-commutes-port-authority-bus-terminal-capacity-study/501515/

https://www.epa.gov/acidrain/what-acid-rain

https://www.njspotlight.com/stories/16/09/25/the-list-the-commuting-habits-of-new-jersey-workers/

https://www.epa.gov/acidrain/what-acid-rain