A scoping review of celebrity endorsement in environmental campaigns and evidence for its effectiveness oleh Alegría Olmedo, E. J. Milner‐Gulland, Daniel W. S. Challender, Laure Cugnière, Huong Thi Thu Dao, Linh Bao Nguyen, Ana Nuno, Emelyne Potier, Martin Ribadeneira, Laura Thomas‐Walters, Anita Kar Yan Wan, Yifu Wang, Diogo Veríssimo