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Publish Date: 11 December 2019
The high mountain regions are home to 1 billion people, are the source of freshwater to at least 1.9 billion people and are crucial for regulating the global climate system. Preservation of mountain ecosystem functions is therefore essential to global water, food and energy security.
Publish Date: 25 September 2019
The latest Intergovernmental Panel on Climate Change (IPCC) Special Report highlights the urgency of prioritizing timely, ambitious and coordinated action to address unprecedented and enduring changes in the ocean and cryosphere.
Publish Date: 12 April 2019
WMO’s Global Atmosphere Watch (GAW) Programme is marking its 30th anniversary this year. The programme, which embraces about 100 countries, aims at forging an integrated global understanding of atmospheric composition and change. It coordinates observations across local to global scales, driving high quality and high-impact science while co-producing society relevant products and services.
Publish Date: 14 March 2019
Recent developments in the climate change arena, including the Paris Agreement in 2015 and the publication of the IPCC Special Report on Global Warming of 1.5 °C, have noted the potential need for negative emission technologies to remove carbon dioxide from the atmosphere in order to limit temperature increase.
Publish Date: 28 February 2019
Increasing levels of airborne pollutants deposited either through gravity (i.e. free-falling) or washed out by rain can result in detrimental effects to crops, human health and vulnerable ecosystems by altering critical and delicate chemical balances. Identifying areas most at risk and which would most benefit from measures to control excessive pollutant load is crucial.
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.
Publish Date: 26 October 2018
The unprecedented changes happening in the Arctic are impacting the fragile Arctic ecosystem and have deep impacts on the people living there. Arctic changes are also influencing the global climate system and sea level.
Publish Date: 9 July 2018
An Arctic summer special observing period is taking place from 1 July to 30 September as part of the Year of Polar Prediction (YOPP). Extensive extra observations will be carried out at numerous land stations in the Arctic as part of field campaigns and expeditions, and by autonomous instruments. Numerical experimentation and internationally coordinated verification activities will use the additional observations for forecast evaluation and observational impact studies.
Publish Date: 28 September 2018
Arctic sea ice has probably reached its annual minimum for 2018, according to the National Snow and Ice Data Center (NSIDC). Sea ice extent dipped to 1.77 million square miles (4.59 million square kilometers) on September 19, and again on September 23. After that, ice extent began to rise, signalling an end to the summer melt season.