https://www.tandfonline.com/doi/full/10.1080/14693062.2024.2341080
https://www.bruegel.org/analysis/cleantech-manufacturing-where-does-europe-really-stand-0
https://www.apo-tokyo.org/wp-content/uploads/2022/12/2-11_ESG-Factors-and-Green-Productivity-1.pdf