BBC World Service - Business Daily, How ethical is 'ethical' investing?
www.bbc.co.uk
Critics say it is hard to know what is truly sustainable and what’s just clever marketing

Ethical investors rely on ESG scores to determine whether their investment is aligned with their values. As you would expect, nefarious corporations like Microsoft game the system to render ESG scores useless.

Apparently Canada isn’t having it. They are investigating and forcing measurable supporting evidence for ESG data. So perhaps we can expect ESG scores to become more realistic and resilient to marketing spin.