Green∙wash (gren’wosh’,-wôsh’) – verb: the act of misleading consumers regarding the environmental practices of a company or the environmental benefits of a product or service.
Here’s an interested report on “The Seven Sins of Greenwashing”. Are those “green” products you’re buying really what they say they are?
http://sinsofgreenwashing.org/findings/greenwashing-report-2009/

