This category is not to be used for biographies.

Background information
Background information on why categorization of biographies is undesirable: Wikipedia:Categories_for_discussion/Log/2015_October_16#Category:Climate_Change_deniers Wikipedia:Biographies_of_living_persons/Noticeboard/Archive231#109_BLP_articles_labelled_"Climate_Change_Deniers"_all_at_once Wikipedia:Biographies_of_living_persons/Noticeboard/Archive289#RfC:_Category:Climate_change_deniers Wikipedia:Categories_for_discussion/Log/2020_May_22#Category:Climate_change_denialists

Background information

Background information on why categorization of biographies is undesirable: