Originally published in CNBC If you want to see how the funds you’re invested in fare when it comes to environmental, social and governance factors, there’s a rating for that. The Morningstar Sustainability Rating measures how well an investment fund’s holdings stack up on ESG issues compared to its peers. The measurement is put together using the thousands of portfolios that Morningstar collects from mutual funds, ETFs and managed portfolios around the world. The firm…