http://www.slate.com/articles/health_and_science/science/2015/09/ap_style_guide_climate_change_doubters_deniers_and_skeptics_of_global_warming.html

Words matter, and in journalism, what the Associated Press says matters the most. Thousands of publications around the world use its style guidelines, so last week, when AP announced it was scrapping the terms climate deniers and climate skeptics to refer to those who don’t accept human influence on climate change, the decision immediately became controversial, and for good reason.