A caveat: Before I begin, I would like to take a firm stance. I do not believe that humans are a "plague" or a "cancer" on the planet. If you hold a contrary viewpoint, I respect that and largely understand your point of view. I further request that the reader not infer that I view people as a pollutant or trash. I believe people are intrinsically valuable. Debating these points is not the scope of this blog. However, I do agree that humans, by their very nature, cause significant change and damage to the planet.
I will be
speaking primarily about the everyday operations of a major
commercial airport, that is one that carries more than 50,000 movements per
year (FAA, 2016; Home,n.d.). While airports may directly cause noise, light,
emissions and many other types of pollution, the cities around them produce far
more. (Moran et al., 2018) If a city has a air carrier hub its population growth may be up
to 16 percentage points more than a city without a hub (Green, 2007). For example,
New York, with its population of nearly 20 million people, has an annual carbon
footprint per capita of roughly 250 metric tons per year. (Moran et al., 2018).
While I could not find any numbers on the estimated carbon footprint of JFK International,
I did find some numbers on DFW Airport, which is larger than JFK (Sawe, 2018).
DFW produced, in 2019, 38,000 tones of emissions (Arnold, 2021).
What does all
these numbers mean? Let us consider a worst-case scenario. The presence of an
airport can cause a city to grow by 16% as we have seen. This means that a city
of 1,000,000 people (which would likely have a significant airport anyway but
work with me) could add 160,000 people with the addition of a major commercial airport.
If the carbon emissions are at the high end, like New York’s 250 metric tons,
this equates to 40 million tons of extra carbon emissions. On the other hand the Dallas-Fort Worth population is nearly 6.5 million people
and its population size no doubt supported by the presence of DFW International
(Macrotrends, 2021). According to one article the typical resident of Fort Worth
might produce 33 tons of emissions (Fort Worth, 2009). Even at this outdated
and low estimate the 38,000 tons produce by the airport is matched by a mere
1152 citizens. If DFW were to disappear overnight I am confident in guessing
the population of the area would quickly drop by far, far more than eleven
hundred people.
I conclude, therefore, that the presence of a major
commercial airport in any given city supports an excess of population who’s
added carbon emissions outweighs the airport’s emissions by a factor of nearly 1,000.
Arnold, K. (2021,
January 2). DFW Airport Wants to Cut Emissions to Zero by 2030, but Can It Do
It? And What Does That Mean? https://www.dallasnews.com/business/airlines/2021/01/02/dfw-airport-wants-to-cut-emissions-to-zero-by-2030-but-can-it-do-it-and-what-does-that-mean/.
Dallas-Fort Worth
Metro Area Population 1950-2021. MacroTrends. (2021).
https://www.macrotrends.net/cities/22966/dallas-fort-worth/population.
FAA. (2016).
Pilot's Handbook of Aeronautical Knowledge. U.S. Department of Transportation.
https://www.faa.gov/regulations_policies/handbooks_manuals/aviation/phak/.
Fort Worth
Star-Telegram. (2009, September 3). Q&A: The carbon footprint. Fort
Worth Star-Telegram.
https://www.star-telegram.com/latest-news/article3822164.html.
Green, R. K.
(2007). Airports and Economic Development. Real Estate Economics, 35(1),
91-112.
http://ezproxy.libproxy.db.erau.edu/login?url=https://www-proquest-com.ezproxy.libproxy.db.erau.edu/scholarly-journals/airports-economic-development/docview/211166609/se-2?accountid=27203
Home. (n.d.) Law
Insider. https://www.lawinsider.com/dictionary/major-airport#:~:text=major%20airport%20means%20a%20civil%20airport%20which%20has,light%20aircraft.%20Sample%201%20Based%20on%201%20documents.
Sawe, B. E.
(2018, November 30). The Largest Airports in the World. WorldAtlas. https://www.worldatlas.com/articles/the-world-s-10-largest-airports-by-size.html#:~:text=The%20World's%2015%20Largest%20Airports%20By%20Size%20,%20%205,383%20%2011%20more%20rows.