Be aware of bias in ESG ratings: Prudential

Investors should be fully aware of the complicated biases behind an ESG score to properly measure ESG risks and avoid greenwashing, warned Prudential. “[Third-party] ESG ratings are quite useful in a general sense to gauge how well a company is doing on ESG. But we do tell our investment managers to do your own research as well,” said Liza Jansen, head of responsible investment at Prudential. Liza Jansen, Prudential “Although they're quite useful and I do understand why …