Green Knowledge is Up, But Consumers Wary of Tactics Results of the 2008 GfK Roper Green Gauge study show that consumers are not only more aware of green issues and are taking action, but have become somewhat skeptical about how true a corporation’s green activities may be. According to the study, 72% of Americans say they know a lot or a fair amount about environmental issues and problems (up 7 points from 2007) and 28% often seek out environmental information (up 5 points). ...