According to the estimates, Korean Air will emit roughly *** grams of carbon dioxide (CO2) per revenue passenger kilometers (RPK) during 2020, which will make Korean Air the airline with the highest environmental impact.
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TPI. (July 31, 2019). CO2 emission intensity of airlines from 2014 to 2020 (in grams of CO2 per RPK)* [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 25, 2026, from /statistics/1189571/co2-emission-intensity-airlines-worldwide/
TPI. "CO2 emission intensity of airlines from 2014 to 2020 (in grams of CO2 per RPK)*." Chart. July 31, 2019. ÌÇÐÄÆƽâ°æ. Accessed July 25, 2026. /statistics/1189571/co2-emission-intensity-airlines-worldwide/
TPI. (2019). CO2 emission intensity of airlines from 2014 to 2020 (in grams of CO2 per RPK)*. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 25, 2026. /statistics/1189571/co2-emission-intensity-airlines-worldwide/
TPI. "Co2 Emission Intensity of Airlines from 2014 to 2020 (in Grams of Co2 per Rpk)*." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 31 Jul 2019, /statistics/1189571/co2-emission-intensity-airlines-worldwide/
TPI, CO2 emission intensity of airlines from 2014 to 2020 (in grams of CO2 per RPK)* ÌÇÐÄÆƽâ°æ, /statistics/1189571/co2-emission-intensity-airlines-worldwide/ (last visited July 25, 2026)
CO2 emission intensity of airlines from 2014 to 2020 (in grams of CO2 per RPK)* [Graph], TPI, July 31, 2019. [Online]. Available: /statistics/1189571/co2-emission-intensity-airlines-worldwide/
