http://green.blogs.nytimes.com/2011/...ng-poll-shows/) in their opinions. Frankly this statement shows your ignorance and dislike of Americans.
I personally believe we as humans, not as a country, have one way or another influenced global warming and have a vast history of experiments and studies from the past 4 decades. But unfortunately, human nature has time and again required solid proof (ie. Catastrophic event) to finally draw the conclusion for themselves. So as long as nothing like it has happened, we will continue to do the same thing, and follow the same path, because of a lack of direct consequence.