From How Stuff Works: ” In a society that’s increasingly aware of its own negative impact on the natural world, it’s no surprise corporations compete for consumer approval by promoting themselves as environmentally friendly or green. Such promotions might be as simple as sprinkling product packaging with leafy logos or as involved as publicizing investments in emerging technologies. Organizations spend billions of dollars each year in an attempt to convince consumers that their operations have a minimal impact on the environment. But can you believe the claims? How much environmental marketing is simply greenwashing?” How Greenwashing Works