Why are ESG scores and ratings so widely used?

ESG considerations are moving markets. Companies are assigned an ESG score or rating, but how are these determined? Why do investors care? And, why don’t we use any third party scores or ratings in our research? (9 min) *(This information is subject to a disclaimer at the end of this podcast. Please ensure that you listen to the disclaimer and go to www.ubs.com for further information about UBS).