
https://www.ussif.org/files/GSIR_Review2018F.pdf

https://wiiw.ac.at/the-impact-of-green-technologies-on-gdp-and-employment-in-the-eu-dlp-6918.pdf

https://nicholasinstitute.duke.edu/sites/default/files/documents/Natural-Capital-Accounting-Strategy-final.pdf