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Carbon Budget

Yearly CO₂ Emissions in GtCO₂

Assuming a Carbon Budget of 320/1070 GtCO₂ (66% probability) from 2018 (IPCC Special Report on 1.5 SPM)
and Rogelj et al. (2019)
Data source: 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
(PRIMAP Group, Potsdam Institute for Climate Impact Research, Germany &
Australian-German Climate & Energy College, The University of Melbourne, Australia)
Data Processing · Source Code