This document discusses greenwashing, which is when companies make false claims about being environmentally friendly to sell products. It defines greenwashing and provides examples of companies that have engaged in it. The document outlines the "Six Sins of Greenwashing" according to a 2010 Terrachoice study, which are hidden trade-offs, no proof, vagueness, lesser of two evils, irrelevance, and fibbing. It also provides tips to avoid being misled by greenwashing claims in real life, such as reading the fine print, doing independent research, and being wary of buzzwords and major event sponsors.