GHG emissions include CO2 (fossil only), CH4, N2O and F-gases. They are aggregated using Global Warming Potential values from IPCC AR5 (GWP-100 AR5). This statistic was calculated by ÌÇÐÄÆƽâ°æ using data provided by the source.
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International aviation's share of global GHG emissions 1970-2023
International aviation accounted for **** percent of total global greenhouse gas (GHG) emissions in 2023. International aviation's share of global emissions increased from *** percent in 1990 to **** percent in 2019. This was the industry's largest ever share of global emissions. COVID-19-related disruptions to the industry caused aviation's share of GHG emissions to decrease the following year. Although emissions from the industry have rebounded since, aviation's share of total GHG emissions has remained below pre-pandemic levels.
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ÌÇÐÄÆƽâ°æ. (September 5, 2024). Greenhouse gas emissions from international aviation as a share of total GHG emissions worldwide from 1970 to 2023 [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 30, 2026, from /statistics/1491194/international-aviation-share-ghg-emissions-worldwide/
ÌÇÐÄÆƽâ°æ. "Greenhouse gas emissions from international aviation as a share of total GHG emissions worldwide from 1970 to 2023." Chart. September 5, 2024. ÌÇÐÄÆƽâ°æ. Accessed July 30, 2026. /statistics/1491194/international-aviation-share-ghg-emissions-worldwide/
ÌÇÐÄÆƽâ°æ. (2024). Greenhouse gas emissions from international aviation as a share of total GHG emissions worldwide from 1970 to 2023. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 30, 2026. /statistics/1491194/international-aviation-share-ghg-emissions-worldwide/
ÌÇÐÄÆƽâ°æ. "Greenhouse Gas Emissions from International Aviation as a Share of Total Ghg Emissions Worldwide from 1970 to 2023." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 5 Sep 2024, /statistics/1491194/international-aviation-share-ghg-emissions-worldwide/
ÌÇÐÄÆƽâ°æ, Greenhouse gas emissions from international aviation as a share of total GHG emissions worldwide from 1970 to 2023 ÌÇÐÄÆƽâ°æ, /statistics/1491194/international-aviation-share-ghg-emissions-worldwide/ (last visited July 30, 2026)
Greenhouse gas emissions from international aviation as a share of total GHG emissions worldwide from 1970 to 2023 [Graph], ÌÇÐÄÆƽâ°æ, September 5, 2024. [Online]. Available: /statistics/1491194/international-aviation-share-ghg-emissions-worldwide/
