The power industry was by far the biggest contributor to global carbon dioxide (CO₂) emissions in 2022, accounting for roughly 38 percent. The transportation sector was responsible for the second-largest share of global CO₂ emissions that year, at just over 20 percent.
Growth of global power sector emissions
Global power sector CO₂ emissions have increased by more than 50 percent since the turn of the century and currently total more than 14 billion metric tons (GtCO₂e) per year. However, direct CO₂ emissions from power and heat generation are projected to have peaked.
Emissions include sources from fossil fuel use (combustion, flaring), industrial processes (cement, steel, chemicals and urea) and product use. Short cycle carbon CO₂ is not included.
Power Industry - Power and heat generation plants (public & autoproducers). Industrial combustion - Combustion for industrial manufacturing and fuel production. Buildings – Small scale non-industrial stationary combustion. Transport – Mobile combustion (road & rail & ship & aviation). Fuel exploitation - Production, transformation, and refining of fuels
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EDGAR/JRC. (September 8, 2023). Distribution of carbon dioxide emissions worldwide in 2022, by sector [Graph]. In Statista. Retrieved July 22, 2024, from https://www.statista.com/statistics/1129656/global-share-of-co2-emissions-from-fossil-fuel-and-cement/
EDGAR/JRC. "Distribution of carbon dioxide emissions worldwide in 2022, by sector." Chart. September 8, 2023. Statista. Accessed July 22, 2024. https://www.statista.com/statistics/1129656/global-share-of-co2-emissions-from-fossil-fuel-and-cement/
EDGAR/JRC. (2023). Distribution of carbon dioxide emissions worldwide in 2022, by sector. Statista. Statista Inc.. Accessed: July 22, 2024. https://www.statista.com/statistics/1129656/global-share-of-co2-emissions-from-fossil-fuel-and-cement/
EDGAR/JRC. "Distribution of Carbon Dioxide Emissions Worldwide in 2022, by Sector." Statista, Statista Inc., 8 Sep 2023, https://www.statista.com/statistics/1129656/global-share-of-co2-emissions-from-fossil-fuel-and-cement/
EDGAR/JRC, Distribution of carbon dioxide emissions worldwide in 2022, by sector Statista, https://www.statista.com/statistics/1129656/global-share-of-co2-emissions-from-fossil-fuel-and-cement/ (last visited July 22, 2024)
Distribution of carbon dioxide emissions worldwide in 2022, by sector [Graph], EDGAR/JRC, September 8, 2023. [Online]. Available: https://www.statista.com/statistics/1129656/global-share-of-co2-emissions-from-fossil-fuel-and-cement/