https://www.propublica.org/article/we-dont-talk-about-leonard-leo-supreme-court-supermajority
https://www.nber.org/system/files/working_papers/w30028/w30028.pdf
https://trade.ec.europa.eu/doclib/docs/2021/july/tradoc_159709.pdf
https://carbonmarketwatch.org/wp-content/uploads/2024/02/CMW_EU_ETS_101_guide_2024_v04-1.pdf