Window to Limit Global Warming to Targets of the Paris Agreement by reducing greenhouse gas emissions alone, it closes quickly. According to the Intergovernmental Panel on Climate Change [ Pörtner et al. , 2022], to have a 50 % chance of keeping warming below 1.5°C, society as a whole will need to limit all future emissions of carbon dioxide (CO 2 ) to less than a few hundred billion tons. With global CO emissions 2 in 2021 in the total amount of 36 billion tons [ Friedlingstein et al. , 2022], this limit implies the need to halve emissions within 10 years, on our way to eliminating almost all emissions by mid-century. ( , , , a
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