Sobrescribir enlaces de ayuda a la navegación Inicio Noticias y Medios WMO virtual press conference 25 Octubre 2021 Press Conference Announcement Greenhouse Gas Bulletin. Annual report by WMO on atmospheric concentrations of carbon dioxide and other major greenhouse gases. Prof. Petteri Taalas, WMO Secretary-General Dr Oksana Tarasova, WMO Chief of Atmospheric and Environment Research Division Listen to the audio