As the green bond market grows larger, many questions have arisen regarding the definition of “green.” Multiple green bond labeling schemes have emerged with various level of rigor. The Yale Initiative conducts a series of deep market analyses and surveys to rigorously evaluate barriers to issuance.
The Yale Initiative on Sustainable Finance proposed a framework for data-driven green bonds assessment: Reed, Patrick and Cort, Todd and Yonavjak, Logan, Data-Driven Green Bond Ratings: A Market Catalyst (August 10, 2017). Journal of Investing, Available at SSRN: https://ssrn.com/abstract=3027045
YISF is an observer of the Green Bonds Principles.