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Carbon Budget

Yearly CO₂ Emissions in GtCO₂


Assuming Carbon Budgets (from 2020) of
1.5 °C: 500 GtCO₂ (Median), 33%-67% range: 400 - 650 GtCO₂
2.0 °C: 1350 GtCO₂ (Median), 33%-67% range: 1150 - 1700 GtCO₂

IPCC AR6 Summary for Policymakers, Table SPM.2
Summary for Policymakers
Emissions Data: Global Carbon Budget

CO₂ Concentration

Monthly CO₂ concentration in ppm

Data source:
Historical Greenhouse Gas Concentrations for CMIP6 (Version 1 July 2016) and NOAA/ESRL (for global data from 1980 to present)

See the full list of spiral variants - Background, Videos, and GIFs
Original Climate Spiral by Ed Hawkins (Climate Lab Book),
extended with Carbon Budget and Concentration Spiral by
Robert Gieseke and Malte Meinshausen
(Potsdam Institute for Climate Impact Research, Germany &
Australian-German Climate & Energy College, The University of Melbourne, Australia)
Data Processing · Source Code