Morningstar's Sustainability Rating allows investors to evaluate collective investments on environmental, social and governance (ESG) criteria. Based on company-level analysis by ESG researcher Sustainalytics, the rating is a category-based, holdings-driven, asset-weighted roll-up of portfolio holdings' ESG scores, less a deduction for involvement in ESG-related controversies. Morningstar also breaks down assessments for environmental, social and governance pillars. BlackRock expands ESG range with double ETF launch We recently examined 35 Morningstar global equity indices, each t...