There’s a temptation to suggest that consumers want full disclosure of a company’s environmental impacts — every bit of data about what they do. The reality is that few of us are capable of making sense of that data, let alone comparing it to that of competitors. Much of the information is technical, requiring a grounding in chemistry, biology, and other sciences. Moreover, many of the achievements aren’t evident on the product itself. In choosing a pair of shoes, should you care that the shoebox is made of recycled paperboard, or it traversed the Pacific aboard a ship that emitted fewer greenhouse gases?