There is a huge public relations campaign in the United States, organized quite openly by Big Energy and the business world, to try to convince the public that global warming is either unreal or not a result of human activity. And it has had some impact. The United States ranks lower than other countries in public concern about global warming, and the results are stratified: among Republicans, the party more fully dedicated to the interests of wealth and corporate power, it ranks far lower than the global norm.25