https://www.brookings.edu/articles/making-emissions-count-in-country-classifications/
https://corporateeurope.org/en/2022/11/cop27-100-more-fossil-fuel-lobbyists-last-year
https://www.epsu.org/sites/default/files/article/files/Going%20Public_EPSU-PSIRU%20Report%202019%20-%20EN.pdf