World Meteorological Organization (WMO) and global warming

DATE: Established 1950

Mission

An international clearinghouse on the weather and the environment, the World Meteorological Organization (WMO) is a principal supplier of scientific information to researchers assessing climate change. The WMO is an agency of the United Nations dedicated to monitoring Earth’s atmosphere, atmospheric interaction with the oceans, climate, and water resources. Headquartered in Geneva, Switzerland, WMO’s secretariat, headed by the secretary-general, oversees its daily operations. Its thirty-seven member executive council meets yearly to review programs and the budget. The World Meteorological Congress convenes every four years, at which time representatives of its 193 member states and territories (as of 2024) decide on policies, consider applications for membership, pass regulations, and make long-term plans.

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The WMO’s purpose is to contribute to the safety of humanity through programs such as the World Weather Watch Program and services investigating the environment. It promotes networks for gathering data about the weather, climate, water resources, and geophysical phenomena to increase fundamental scientific knowledge and warn of possible natural disasters. It assists technology transfers to this end, encourages collaboration among the national meteorological and hydrological organizations of its members, and provides information to public weather, agriculture, aviation, environmental, and shipping services. The WMO also holds forums on the status of regional climate to foster consensus among climate experts and help emergency responders and governments in disaster prevention.

Significance for Climate Change

In 1988, the WMO, in conjunction with the United Nations Environment Programme, established the Intergovernmental Panel on Climate Change (IPCC). The WMO’s observational programs supply IPCC scientists with much of the data on which to base their conclusion that Earth’s atmosphere is warming because of human activities and that climate change will have many adverse effects on civilization. In April 2008, Deputy Secretary-General Hong Yan reaffirmed the WMO’s support for the IPCC’s work as vital to world peace. A statement about climate on the WMO’s website explains,

Climate affects the lives and livelihoods of people everywhere. Global warming poses threats to society in various ways. Increased and extended droughts are a direct threat to millions of people. Millions more are affected by reduced crop and fishing harvests. Heatwaves, especially in urban situations, have recently caused the death of thousands of people, notably the elderly and infirm. The economy of many countries, especially small island States, depends on tourism. They are particularly vulnerable to sea-level rise, coastal erosion, saltwater intrusion, lack of fresh water, and the destruction of the natural environment, all adverse impacts of climate change.

"Climate Change Indicators Reached Record Levels in 2023." World Meteorological Organization, 19 Mar. 2024, wmo.int/news/media-centre/climate-change-indicators-reached-record-levels-2023-wmo. Accessed 17 Dec. 2024.

Mingst, Karen. "World Health Organization." Britannica, 14 Dec. 2024, www.britannica.com/topic/World-Meteorological-Organization. Accessed 17 Dec. 2024.

"2024 State of Climate Services Report." World Meteorological Organization (WMO), 7 Nov. 2024, wmo.int/publication-series/2024-state-of-climate-services. Accessed 17 Dec. 2024.