Which of the following challenges do asset managers face in integrating ESG issues?

One of the key challenges asset managers face is the lack of methodologies for integrating ESG considerations for non-corporate issuers, such as sovereign bonds or real estate investments. While methodologies for corporate issuers are well developed, extending these frameworks to non-corporate issuers remains a challenge.ESG Reference: Chapter 9, Page 508 - Investment Mandates, Portfolio Analytics & Client Reporting in the ESG textbook.