These days, it's common for annual reports to have design elements that make them aesthetically appealing and easier to read. But just as important are features that showcase the eco-friendliness of the company.

The report for RPM, an international holding company that specializes in coatings, sealants, and other chemicals, looks like a magazine, complete with a Letters to the Editor page. The fold-out cover also touts the green qualities of its products and of the report itself. The booklet is certified ...