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Some 3.5 billion people reside in urban areas. This number is projected to reach 6.3 billion by 2050, increasing from 50% to more than 70% of the world’s population. Cities are centres of creativity and economic progress but they also face many environmental challenges due mainly to air pollution and weather, climate and water-related hazard.
Publish Date: 8 February 2019
The full Scientific Assessment of Ozone Depletion is now available. It shows that actions taken under the Montreal Protocol have led to decreases in the atmospheric abundance of controlled ozone-depleting substances (ODSs) and the start of the recovery of stratospheric ozone.
World Meteorological Day takes place every year on 23 March and commemorates the coming into force on 23 March 1950 of the Convention establishing the World Meteorological Organization. It showcases...
The ever-growing global population faces a wide range of hazards such as tropical cyclone storm surges, heavy rains, heatwaves, droughts and many more. Long-term climate change is increasing the intensity...
Since 1961, the World Meteorological Organization has been celebrating World Meteorological Day with a different theme selected for each year.
Publish Date: 11 December 2018
Switzerland has announced a major contribution to an international initiative to strengthen early warning systems in vulnerable low-income countries to support climate change adaptation, disaster risk reduction and sustainable development. The announcement of 9 million Swiss francs in new funding came at the United Nations climate change conference in Katowice, Poland (COP24).
Publish Date: 27 November 2018
An initiative to strengthen multi-hazard early warning systems in the Caribbean was launched on November 20 during the dry season Caribbean Climate Forum (CariCOF) meeting in Barbados. The Caribbean region is highly exposed to high-impact hydrometeorological hazards such as hurricanes and tropical storms, causing floods, landslides and storm surge. In 2017, Hurricane Irma caused massive destruction in Barbuda resulting in the subsequent full evacuation of the island while Hurricane Maria caused devastation Dominica. Barbados suffered from flooding as a result of Tropical Storm Kirk in...
Publish Date: 5 November 2018
The latest Scientific Assessment of Ozone Depletion reveals a healing ozone layer, global warming reduction potential, and options for more ambitious climate action.
Publish Date: 22 March 2017
The World Meteorological Organization (WMO) has released its new, long-awaited, digitized International Cloud Atlas – the global reference for observing and identifying clouds, which are an essential part of weather, the climate system and the water cycle. It was released for World Meteorological Day on 23rd March.
Publish Date: 19 May 2017
19 May 2017 - Climate change, associated extreme weather and demographic shifts means that record numbers of people are exposed to floods, heatwaves and other hazards. Improved early warning systems and more coordinated disaster risk reduction are therefore more important than ever before. To meet the growing challenges, an international conference will launch a concerted drive to improve warnings for an interlocking range of hazards and to translate these warnings into effective action on the ground.
