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 …

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 …

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 …

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

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 …

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

Nov 6, 2025 · Climate change is the term used to describe changes in the state of the climate that can be identified by changes in the average and/or the variability of its properties and that …

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 …

At WMO, we are dedicated to fostering international cooperation and coordination around the state and behaviour of the Earth’s atmosphere, its interaction with the land and oceans, the …