$80 (£52.40) per metric ton is still substantially below true costs by orders of magnitude.

Comprehensive evidence implies a higher social cost of CO2 - https://www.nature.com/articles/s41586-022-05224-9 | https://doi.org/10.1038/s41586-022-05224-9

The social cost of carbon dioxide under climate-economy feedbacks and temperature variability - https://iopscience.iop.org/article/10.1088/1748-9326/ac1d0b | https://doi.org/10.1088/1748-9326/ac1d0b