Environmental, Social, and Governance programs are a trendy topic with investors. For example, if Walmart's shareholders force it to adopt an ES&G program, that that same pressure gets applied by Walmart to their vendors.
That's how it's supposed to work. Devil is in the details, of course. And plenty of "yes buts" to go along with them.
There's an entire industry devoted to auditing and rating companies on their overall score. Ecovadis is one that I can think of off the top of my head. They'll audit you, give you a score, and give you areas where you need to improve.
I haven't decided exactly how cynical I am about the whole thing, but I'm way past letting the perfect strangle the good.