Dec 22, 2025 · Weather is the state of the atmosphere at a particular time, as defined by the various meteorological elements, including temperature, precipitation, atmospheric pressure, wind and humidity.

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

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

World Meteorological Day 2025 Climate change is a real and undeniable threat to our entire civilization. The effects are already visible and will be catastrophic unless we act now. The theme of World …

Feb 3, 2026 · Climate is the average weather conditions for a particular location over a long period of time, ranging from months to thousands or millions of years. WMO uses a 30-year period to …

The World Meteorological Organization's State of the Climate Update for COP30 reveals that the past 11 years (2015-2025) are set to be the warmest on record, with each year surpassing previous …

L'Organisation météorologique mondiale est l'organisme des Nations Unies qui fait autorité pour les questions relatives au temps, au climat et à l'eau

This global web site presents OFFICIAL weather forecasts and climatological information for selected cities supplied by National Meteorological & Hydrological Services worldwide.

Jan 14, 2026 · Geneva, Switzerland (WMO) – The World Meteorological Organization (WMO) has confirmed that 2025 was one of the three warmest years on record, continuing the streak of …

Oct 15, 2025 · Carbon dioxide (CO 2) levels in the atmosphere soared by a record amount to new highs in 2024, committing the planet to more long-term temperature increase, according to a new report …