Consumers and investors alike have gobbled up Beyond Meat’s burgers, sausage and chicken in recent years, thanks at least in part to the company’s message that its plant-based products are good for the environment.But some aren’t so sure.One investor tracking firm gives Beyond Meat a zero when it comes to sustainability measures. Another rates it a “severe risk,” putting it on a par with the beef and chicken processing giants JBS and Tyson.“We don’t feel we have sufficient information to say Beyond Meat is fundamentally different from JBS,” said Roxana Dobre, a manager of consumer goods research at Sustainalytics, a firm that rates the sustainability of companies based on their environmental, social and corporate governance impact.At first glance, it seems logical that plant-based …