Reuters: An increasing number of British farmers say they are unaffected by climate change, a survey found on Friday. British public belief in climate change in general has sagged in the aftermath of disclosure of errors made by a U.N. climate panel report. Some 62 percent of a poll of 414 farmers said they were unaffected by climate change, up from nearly 50 percent who said last year that they had not felt its effects. “For farming there’s been a very tough winter, a lot of …