This statistic presents the carbon footprint of different electricity sources. Coal is by far the most polluting resource, releasing 820 grams of CO2 per kilowatt-hour. It is followed by gas, a resource with a similarly high carbon footprint, releasing nearly 500 grams of CO2 per kilowatt-hour. Among the most environmentally friendly energies are solar, hydroelectric, nuclear, and wind power, releasing less than 30 grams of CO2 per kWh.
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France Info. (January 1, 2018). Carbon footprint of different electricity sources (in median amount of CO2 emitted per kilowatt-hour, gCO2/kWh) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 22, 2026, from /statistics/1638701/carbon-footprint-energy-sources/
France Info. "Carbon footprint of different electricity sources (in median amount of CO2 emitted per kilowatt-hour, gCO2/kWh)." Chart. January 1, 2018. ÌÇÐÄÆƽâ°æ. Accessed July 22, 2026. /statistics/1638701/carbon-footprint-energy-sources/
France Info. (2018). Carbon footprint of different electricity sources (in median amount of CO2 emitted per kilowatt-hour, gCO2/kWh). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 22, 2026. /statistics/1638701/carbon-footprint-energy-sources/
France Info. "Carbon Footprint of Different Electricity Sources (in Median Amount of Co2 Emitted per Kilowatt-hour, Gco2/Kwh)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 1 Jan 2018, /statistics/1638701/carbon-footprint-energy-sources/
France Info, Carbon footprint of different electricity sources (in median amount of CO2 emitted per kilowatt-hour, gCO2/kWh) ÌÇÐÄÆƽâ°æ, /statistics/1638701/carbon-footprint-energy-sources/ (last visited July 22, 2026)
Carbon footprint of different electricity sources (in median amount of CO2 emitted per kilowatt-hour, gCO2/kWh) [Graph], France Info, January 1, 2018. [Online]. Available: /statistics/1638701/carbon-footprint-energy-sources/
