Nov 21, 2025 · 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 …

Dec 20, 2023 · Knowledge of weather and climate extremes is critically important, not only for climate science, but also for practical purposes. For example, when designing a building or a bridge, it is …

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 persists for an …

The State of the Global Climate 2023 report shows that records were once again broken, and in some cases smashed, for greenhouse gas levels, surface temperatures, ocean heat and acidification, sea …

The Global Climate Observing System (GCOS) is co-sponsored by the World Meteorological Organization (WMO), the Intergovernmental Oceanographic Commission of the United Nations …

The State of Climate Services report says that in 2024, one third of National Meteorological and Hydrological Services (NMHSs) provide climate services at an ‘essential’ level, and nearly one third …

The World Meteorological Organization’s State of the Climate in Asia 2024 report warns that the region is warming nearly twice as fast as the global average, driving more extreme weather and posing …

Nov 21, 2025 · The WMO Climate Services Information System (CSIS) is the principal mechanism through which information about climate – past, present and future – is routinely produced, archived, …

Mar 19, 2025 · A specialized agency of the United Nations whose mandate covers weather, climate and water resources. The UN’s scientific voice on the state and behaviour of our atmosphere and climate.

The World Meteorological Organization’s State of the Climate in the South-West Pacific 2024 report warns that unprecedented ocean warming, sea level rise, and extreme weather are endangering …