1. IPCC, 2021: Climate Change 2021: The Physical Science Basis. Contribution of Working Group I to the Sixth Assessment Report of the Intergovernmental Panel on Climate Change (eds Masson-Delmotte, V. et al) (Cambridge Univ. Press, in the press).
2. Boers, N. Nat. Clim. Change 11, 680–688 (2021).
3. Steffen, W. et al. Proc. Natl Acad. Sci. USA 115, 8252–8259 (2018).
4. Global Energy Review 2021 (IEA, 2021); https://www.iea.org/reports/global-energy-review-2021
5. Garrido-Barros, P., Gimbert-Suriñach, C., Matheu, R., Sala, X. & Llobet, A. Chem. Soc. Rev. 46, 6088–6098 (2017).