Greenhouse gas global increase in abundance 1750-2022

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Since the industrial revolution began, the atmospheric abundance of key greenhouse gases have increased substantially. As of 2022, the globally averaged atmospheric abundance of carbon dioxide (CO₂) had increased by 150 percent, relative to 1750. Meanwhile, the abundance of methane (CH4) had shot up by more than 260 percent.

Increase in global greenhouse gas abundance in 2022 relative to 1750, by gas

Characteristic	Increase in greenhouse gas abundance
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Release date

November 2023

More information

Region

Worldwide

Survey time period

1750 to 2022

Supplementary notes

Assuming a pre-industrial mole fraction of 278.3 ppm for CO₂, 729.2 ppb for CH4 and 270.1 ppb for N₂O. The number of stations used for the analyses was 147 for CO₂, 149 for CH4 and 108 for N₂O.

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