Connecticut Post: Despite conflicting messages on global warming, the majority of Americans believe in the phenomenon, see it as an environmental threat and want to do something about it. However, they might not be totally sure how to do that. That’s according to a national poll released this week by Sacred Heart University in Fairfield. The poll, conducted by Sacred Heart’s polling institute, surveyed 800 people throughout the United States between May 27 and June 9 about their thoughts on global …