Breadcrumb Home News & Media WMO Press Conference 30 August 2024 Press Conference Announcement Annual WMO Air Quality and Climate Bulletin Embargoed until 0001 GMT 6 September for International Day of Clean Air for Blue Skies Lorenzo Labrador, scientific officer, WMO Related Items Basel, Rotterdam and Stockholm Conventions Secretariat Press Conference25 April 2025 UNMAS Press Conference07 April 2025 UN Trade and Development (UNCTAD) Press Conference03 April 2025 UNAIDS Press Conference24 March 2025 HRC Press Conference20 March 2025