How can countries share the cost of cleaning up historic emissions? A croaky Reviewer 2 finds out from Asbj\xf8rn Torvanger.\nWhat If Country Commitments for CO2 Removal Were Based on Responsibility for Historical Emissions?\nby Asbj\xf8rn Torvanger\nCICERO Center for International Climate Research, Gaustadall\xe9en 21, 0349 Oslo, Norway\nEnergies 2023, 16(11), 4350; https://doi.org/10.3390/en16114350