Published October 30, 2022 | Version 1.1.1
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Necessary Change in CO2 Emissions per Capita to Reach 1.5°C - 2.0°C Climate Change Limit in 2100

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The necessary cumulative CO2 emissions reduction to reach the 1.5°C Global Warming limit in 2100 is 2,359,526 MtCO2. This may be done by decreasing the world’s CO2 emissions per capita (CpC) annually by 17%.

The necessary cumulative CO2 emissions reduction to reach the 1.7°C Global Warming limit in 2100 is 2,085,593 MtCO2. This may be done by decreasing the world’s CO2 emissions per capita (CpC) annually by 7.85%.

The necessary cumulative CO2 emissions reduction to reach the 2.0°C Global Warming limit in 2100 is 1,683,503 MtCO2. This may be done by decreasing the world’s CO2 emissions per capita (CpC) annually by 4.46%.

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References

  • Hannah Ritchie, Max Roser, Edouard Mathieu, Bobbie Macdonald and Pablo Rosado - Data on CO₂ and Greenhouse Gas Emissions by Our World in Data https://github.com/owid/co2-data#data-on-co2-and-greenhouse-gas-emissions-by-our-world-in-data
  • Our World in Data, Cumulative CO2 emissions, 2020 https://ourworldindata.org/grapher/cumulative-co-emissions
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  • CO2 Emissions per Capita – Joseph Nowarski, DOI:10.5281/zenodo.7264405
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