Independent (UK): The number of Americans who believe that climate change is real has declined in the last year, but a majority do see convincing evidence of global warming, according to a new poll. The Pew Research Center for the People and the Press found 57 percent of Americans see “solid evidence of warming,” compared to 71 percent in April 2008, and 77 percent in August 2007. The poll, which surveyed 1,500 people between September 30 and October 4, also found a decline in the number of …