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Early Warnings for All is no longer just an initiative. It is a brand – a global movement. Prof. Celeste Saulo, WMO Secretary-General

WMO Greenhouse Gas Bulletin - No. 21

Early Warnings for All

The Extraordinary Session of the World Meteorological Congress (Cg-Ext 2025)

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75 Years of WMO Science for Action

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Latest news

15 October 2025

Carbon dioxide levels increase by record amount to new highs in 2024

Meteorological Station

13 October 2025

G20 Declaration supports Early Warnings for All

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03 October 2025

AI-Powered Nowcasting is a game changer for weather prediction and early warnings

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02 October 2025

ClimAfrica Forum 2025: invest in resilience

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30 September 2025

WMO announces 2026 calendar competition winners

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28 September 2025

Inclusive Early Warning and Action in the Pacific project launched

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26 September 2025

Accelerating solutions on early warnings and extreme heat

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25 September 2025

UN Climate Summit increases momentum to COP30

WMO Bulletin Vol. 74 (2) - 2025

This special edition marks the World Meteorological Organization’s 75th anniversary. It highlights WMO’s achievements to date and looks ahead to the vision and priorities shaping the next 75 years.

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Climate

Water

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Greenhouse gases

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Events

Constituent Body

20 October 2025 - 23 October 2025

Genève, Switzerland

Extraordinary session of Congress in 2025 (Cg-Ext(2025))

Constituent Body

20 October 2025, 09:30 - 12:00

Switzerland

High-Level Event on the Early Warnings for All (EW4All) Initiative

Constituent Body

21 October 2025, 09:00 - 10:30

Panel - AI for weather forecasting: closing the digital divide with AI?

Constituent Body

24 October 2025, 09:00 - 17:00

Geneva, Switzerland

Extraordinary session of the Executive Council (EC‑Ext(2025))

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Regions

WMO divides the world into six regions for the purpose of coordinating meteorological activities, known as WMO regions.