The great majority of climate scientists have concluded that global warming is happening, mostly human caused and, if left unchecked, will have serious consequences for human societies and the natural world,' the report's authors said. 'Yet, over the years, there has been considerable confusion within the American public about the level of scientific agreement on the subject.' Read more: http://www.dailymail.co.uk/sciencetech/article-2540926/The-rise-climate-change-denier-New-figures-23-Americans-not-believe-global-warming-happening.html#ixzz2qjdPOE5N