https://wiiw.ac.at/alternatives-in-the-design-of-sovereign-green-bonds-dlp-6412.pdf
https://docs.house.gov/meetings/JU/JU05/20220517/114776/HHRG-117-JU05-Wstate-LynnB-20220517.pdf
https://www.bruegel.org/system/files/2024-05/PB%2008%202024_1.pdf
https://wwfeu.awsassets.panda.org/downloads/ets_revenues_report_2022___web___final.pdf