Climate and Health Alliance. “Global Health Community Calls for Climate Action Ahead of COP26 to Avert ‘Biggest Health Threat Facing Humanity’”. Philippine Journal of Otolaryngology Head and Neck Surgery 36, no. 2 (November 11, 2021): 6. Accessed January 27, 2022. https://pjohns.pso-hns.org/index.php/pjohns/article/view/1837.