“Most of these codes, particularly the UN PRI, are meaningless. — Alicia McElhaney”

[COMMENTARY]I agree. If there’s no detailed definition of the code’s criteria and noenforcements mechanism, they’re largely a PR stunt.
There Are 2,698 Signatories to the United Nations’ ESG Code. Has It Changed Anyone’s Behavior? By Alicia McElhaney, January 8, 2020, Institutional Investor, USA.