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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.
Coordinating the activities of Members related to the space-based observing system component of the WMO Integrated Global Observing System to ensure sustained and interoperable satellite observations and to promote their applications.
Start date1 June 2003
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: 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: 30 October 2018
The World Meteorological Organization has joined the global commitment to reduce deaths due to air pollution by two thirds by 2030. At the World Health Organization’s first ever Global Conference on Air Pollution and Health , WMO pledged to strengthen the quality and availability of pollution observations, enable provision of air quality forecast and advisory services and incorporate health impacts in key scientific assessments on climate and climate change.
Publish Date: 3 April 2017
Top ozone experts from around the world highlighted the need for increased research and observations to inform policy on ozone and climate at a meeting sponsored by UN Environment and the World Meteorological Organization in Geneva, 28 – 30 March. The 10 th Ozone Research Managers (ORM) meeting concluded that integrated earth science observation systems are essential to ensure that action to protect the ozone layer also benefits the climate, given the complex and evolving interaction between the ozone layer and the climate system.
Publish Date: 26 October 2018
Air quality regulations and anti-pollution measures in Europe and North America have had very positive impacts on air quality. Since the year 2000, both average and peak surface ozone concentrations have levelled off and even started to fall at some locations after increasing throughout the twentieth century, according to a new report from the World Meteorological Organization.
Publish Date: 14 September 2018
“Keep Cool and Carry on” is the theme of this year’s International Day for the Preservation of the Ozone Layer. It celebrates the progress in protecting the ozone layer and moves to phase out ozone depleting chemicals which are also potent greenhouse gases.
Publish Date: 8 June 2018
The space-based observing system is making essential contributions to the generation of weather, water and climate-related products and services and helps support policy- and decision making. The number of operational satellites that are part of this space-based observing system and their capabilities is growing, and a considerable number of satellites with new capabilities that are presently in the planning stage will soon join the system.
Publish Date: 23 November 2017
Countries are meeting in Montreal this week to mark the 30th anniversary of the world’s most successful ever environment agreement, which halted the destruction of the protective ozone layer. The 197 parties to the Montreal Protocol on Substances which Deplete the Ozone Layer are gathered in the Canadian birthplace of the treaty. This achieved a near 99 per cent phase-out of ozone destroying substances like chlorofluorocabons (CFCs) and hydrochlorofluorocarbons (HCFCs), once commonly used in products ranging like refrigerants and aerosols.