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Carbon Budget

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

Global Mean Temperature

Global Mean Temperature in °C relative to 1850 - 1900 average
Data source:
HadCRUT4 global temperature dataset

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