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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

Publication

WMO Greenhouse Gas Bulletin - No. 21

In focus

Early Warnings for All

In focus

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

In focus

75 Years of WMO Science for Action

## Latest news

15 October 2025

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

13 October 2025

G20 Declaration supports Early Warnings for All

03 October 2025

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

02 October 2025

ClimAfrica Forum 2025: invest in resilience

30 September 2025

WMO announces 2026 calendar competition winners

28 September 2025

Inclusive Early Warning and Action in the Pacific project launched

26 September 2025

Accelerating solutions on early warnings and extreme heat

25 September 2025

UN Climate Summit increases momentum to COP30

View all news



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.

View the latest issue

## Trending topics

Climate

Water

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))

View all events

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

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