The World Meteorological Organization is the UN's voice on weather, climate, and water resources, providing scientific insights into our atmosphere and climate behavior.

Overview WMO is the United Nations system's authoritative voice on the state and behaviour of the Earth's atmosphere, its interaction with the land and oceans, the weather and climate it produces and …

Our Mandate We advance meteorological science for a better future for all. WMO provides the framework for international cooperation to advance meteorological, climatological, hydrological, and …

Dec 2, 2025 · Knowledge Hub Explore the new Knowledge Hub: the scientific core of the WMO Community. A central place for WMO Members, partners and experts to find technical information, …

Dec 4, 2025 · WMO publishes the Global and Regional State of the Climate reports, the State of Climate Services reports, is involved in leadership capacity in the Global Framework for Climate Services, …

Again. Geneva, 15 November (WMO) - The abundance of heat-trapping greenhouse gases in the atmosphere once again reached a new record last year and there is no end in sight to the rising …

让我们确保地球相关信息不仅被收集起来，更能为所有人所理解、获取并付诸实践。 WMO秘书长席列斯特·绍罗（Celeste Saulo）教授

WMO Bulletin The WMO Bulletin is published twice per year in Arabic, Chinese, English, French, Russian and Spanish editions. The Bulletin contains articles on various topics related to weather, …

Nov 6, 2025 · WMO and the United Nations Environment Programme jointly set up the I ntergovernmental Panel on Climate Change (IPCC) in 1988 to provide governments at all levels with …

All Activities WMO’s work involves a wide variety of activities and services, spanning from research to delivery of weather-, climate-, and water-related services.