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Climate describes the average weather conditions for a particular location and over a long period of time. We study the climate, its variations and extremes, and its influences on a variety of activities including human health, safety and welfare to support evidence-based decision-making on how to best adapt to a changing climate.
Water stress, water-related hazards and water quality pose increasing challenges to modern society. And yet, the capacity to monitor and manage this vital resource is fragmented and inadequate. Billions of people around the world also feel the impact of climate change through water.
Publish Date: 7 September 2021
The COVID-19 lockdown and travel restrictions led to a dramatic short-lived fall in emissions of key air pollutants in 2020, especially in urban areas. Many city dwellers saw blue skies instead of the pollution cloud. But the reduction was not uniformly spread across all regions or all types of pollutants. And many parts of the world still fell short of air quality guidelines, according to a new report from the World Meteorological Organization, which was released for the International Day of Clean Air for Blue Skies on 7 September.
Publish Date: 6 September 2021
The bulk of the Southern African Development Community (SADC) region is likely to receive normal to above-normal rainfall between October to December 2021 and January to March 2022, according to the climate outlook for the rainy season issued by weather and climate experts and supported by the WMO community.
Bulletin nº Vol 64 (2) - 2015
Publish Date: 3 December 2015
Over the last decade, the scientific community has come to realize the important impacts of airborne dust on climate, human health, the environment and various socio-economic sectors.
Publish Date: 24 August 2021
Climate change has made extreme rainfall events similar to those that led to last month’s floods in Germany, Belgium, the Netherlands and Luxembourg between 1.2 and 9 times more likely to happen, according to a rapid attribution study by an international team of climate scientists, which also found that such downpours in the region are now 3-19% heavier because of human-caused warming.
The GDPFS is an international mechanism that coordinates Member capacities to prepare and make meteorological analyses and forecast products available to all Members. It enables delivery of harmonized services and is currently organized as a network of Global, Regional and National Centres.
Start date1 June 1963
Publish Date: 29 July 2021
Ozone experts from around the world have stressed the importance of systematic observations to monitor the state of the ozone layer and the presence of ozone-depleting substances, and to increase understanding of the impact of climate change on the Earth’s protective shield against harmful ultraviolet rays.
Publish Date: 16 July 2021
Heavy rainfall has triggered devastating flooding causing dozens of casualties in Western Europe. Parts of Scandinavia are enduring a lasting heatwave, and smoke plumes from Siberia have affected air quality across the international dateline in Alaska. The unprecedented heat in Western North America has also triggered devastating wildfires.
Publish Date: 14 July 2021
Climate change has accentuated natural hazards, including flash floods caused by melting of snow and ice in many regions of the world. The Himalayas, which are the third largest deposit of ice and snow in the world after Antarctica and the Arctic, are heavily impacted. This was highlighted by a disaster in February in Uttarakhand in the Indian Himalayas, after a part of the Nanda Devi glacier broke off and collapsed causing a massive flood in the Rishi Ganga /Dhauliganga river. This destroyed two hydropower plants, burst open dams, and led to a large number of casualties and widespread...