This UL white paper discusses the certification of more sustainable industrial and commercial cleaning products, and the value of multi-attribute environmental product certification and other verification methods based on industry protocols and other objective criteria. The paper begins with a brief overview of the environmental and health-related issues associated with the use of cleaning products, and then discusses the various aspects of greenwashing commonly found in connection with the marketing of cleaning products. The white paper then presents the essential aspects of a trusted certification program for sustainable cleaning products, and concludes with a look at efforts to increase environmental transparency in the positioning of cleaning products.