The nineteenth World Meteorological Congress (Cg-19) - GAW
The World Meteorological Congress, the supreme body of the World Meteorological Organization (WMO), holds its 19th session from 22 May to 2 June 2023. It assembles all 193 Member States and Territories of the WMO. Details of the event can be found here.
Note that 25th May is Science Day. During this Science Day, the activities and achievements of the Global Atmosphere Watch (GAW) Programme and the recently approved Science and Implementation Plan for 2024-207 will be presented.
GAW Materials by Topics
Atmospheric composition and deposition
- Importance of the atmospheric composition observations - Video English
- Global Atmosphere Watch Training and Education Centre - Video English
- Animation on atmospheric deposition launch - Video English
- Measurement-Model Fusion for Global Total Atmospheric Deposition Initiative: Implementation Plan for 2021–2026
Greenhouse Gases
- WMO Greenhouse Gas Bulletin (2022). Previous bulletins here.
- Greenhouse gas concentrations - Video English
- Monitoring the atmosphere to reduce urban - Video English
- The carbon cycle - Video English
- Measuring national emissions - Video English
- IG3IS Urban Greenhouse Gas Emission Observation and Monitoring Good Research Practice Guidelines Report (2022)
Air Quality
- WMO Air Quality and Climate Bulletin (2021)
- WMO Air Quality and Climate Bulletin (2022)
- Air pollution processes and impacts - Video English
- Meteorological and Air Quality factors affecting the COVID-19 Pandemic - Video English
- Connections between air quality and climate - Video English
- GAFIS Science and Implementation Plan 2022-2026
- Training Materials and Best Practices for Chemical Weather/Air Quality Forecasting (2020)
- Guidance on Measuring, Modelling and Monitoring the Canopy Layer Urban Heat Island (CL‑UHI) Report (2023)
Natural extreme weather events
- Sand and dust storms - Video English
- WMO Airborne Dust Bulletin (2022)
- Vegetation Fire and Smoke Pollution Warning and Advisory System (VFSP-WAS): Concept Note and Expert Recommendations (2018)
Ozone and UV
- WMO Ozone Bulletins
- Ozone Depleting Substances quadrennial assessment report - Video English
- Scientific Assessment of Ozone Depletion Report (2022)