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143 contents match your search.
Environment
Environment
All life depends on a healthy planet, but the interwoven systems of atmosphere, oceans, watercourses, land, ice cover and biosphere, which form the natural environment, are threatened by human activities. The Global Atmosphere Watch (GAW) programme provides reliable scientific data and information on aerosols, greenhouse gases, selected reactive gases, ozone, ultraviolet radiation and precipitation chemistry (or atmospheric deposition).
Scientific Assessment confirms start of recovery of ozone layer
News
Environment, Ozone, Climate change, Atmosphere
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
World Met Day, Weather, Climate, Water
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...
Weather-ready, climate-smart (2018)
World Met Day, Weather, Climate, Water
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...
Previous World Meteorological Days
World Met Day, Weather, Climate, Water
Since 1961, the World Meteorological Organization has been celebrating World Meteorological Day with a different theme selected for each year.
Environmental risks dominate World Economic Forum survey
News
Climate change, Environment, Floods, Emergency, Natural hazards
Publish Date: 21 January 2019
Environmental risks continue to dominate the World Economic Forum’s annual Global Risks Perception Survey, accounting for three of the top five risks by likelihood and four by impact.
Global Atmosphere Watch Programme
GAW
WMO Programmes
Research, Environment, Atmosphere
Addressing atmospheric composition on all scales: from global, regional, to local and urban.
6

Start date

6 January 1989
In the footsteps of polar explorers
Weather, Climate, Environment, Polar, Clouds, Oceans
Bulletin nº Vol 65 (1) - 2016
21
Publish Date: 21 March 2016
In pitch dark at 40 below, a research expedition set out to the icy Arctic Ocean in January 2015.Their goal: to better understand ongoing changes in the Arctic due to a shift from an older and thicker ice cover that would survive the summer melt to a younger and thinner one that, to a larger degree, melts away in the summer.
Monitoring Ocean Carbon and Ocean Acidification
Weather, Climate, Oceans, Environment, Greenhouse gases, Climate services, Observations
Bulletin nº Vol 64 (1) - 2015
Theme: Environmental challenges
2
Publish Date: 2 March 2015
As atmospheric CO 2 continues to increase, more and more CO 2 enters the ocean, which reduces pH (pH is a measure of acidity, the lower the pH, the more acidic the liquid) in a process referred to as ocean acidification. Declines in surface ocean pH due to ocean acidification are already detectable and accelerating.
Why Does Access to Good Climate Data Matter?
Weather, Climate, Data exchange, Observations, Environment, Climate services, Information, Research
Bulletin nº Vol 64 (2) - 2015
4
Publish Date: 4 December 2015
By Kyra Bell-Pasht 1 and Dana Krechowicz 2 Over the course of human history, weather patterns have greatly influenced the growth of commerce and communities. But in a world experiencing...