"Greenwashing" is the practice of promoting a product by misleading consumers about its environmentally beneficial aspects. Products might be labeled as "natural," "green," "environmentally friendly," or biodegradable" but have little or no environmental benefits. Go to www.truthinadvertising.org/six-companies-accusedgreenwashing/ and read through the examples listed there for (potential) green claim violations. What are some of the broad categories under which these greenwashing complaints have been filed?