six millions de décès prématurés chaque année air pollution is the fourth highest risk 5.5 million annually 5.5 million annually 5.5 million die prematurely 5.5 million annually enam juta kematian pramatang setiap tahun sex miljoner för tidiga dödsfall varje år American Association for the Advancement of Science ses miljoen premature sterftes per jaar 報告 5.5 million annually шесть миллионов преждевременных смертей каждый год (AAAS) six million premature deaths every year हर साल छह लाख समय से पहले मौतें Global Burden of Disease 3 million people die every year 55 millions de personnes meurent à cause de la pollution premature deaths