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Publish Date: 1 May 2020
Depletion of the ozone layer, the shield that protects life on Earth from harmful levels of ultraviolet radiation, reached an unprecedented level over large parts of the Arctic this spring. This phenomenon was caused by the continuing presence of ozone-depleting substances in the atmosphere and a very cold winter in the stratosphere (the layer of the atmosphere between around 10 km and round 50 km altitude).
Publish Date: 2 March 2020
Above average temperatures are expected in many parts of the globe in the next few months, even without the presence of a warming El Niño event, according to the World Meteorological Organization.
Publish Date: 18 February 2020
Unusual weather and climate conditions, including widespread and heavy rains since October 2019, have contributed to a serious and widespread Desert locust outbreak, which threatening rural food security across East Africa.
Publish Date: 4 February 2020
Climate action will be both a priority and a driver of world affairs through the coming decade, according to United Nations Secretary-General António Guterres.
Publish Date: 7 January 2020
Catastrophic and unprecedented bushfires in Australia have killed more than 28 people, destroyed hundreds of homes and burned hundreds of thousands of hectares of land, causing massive devastation to wildlife, ecosystems and the environment. The fires come after Australia's hottest, driest year on record. They have led to hazardous air quality in major cities throughout Australia, impacted New Zealand and sent smoke drifting thousands of kilometres across the Pacific to South America.
Publish Date: 29 November 2019
Given current conditions and model outlooks, the chance of ENSO-neutral conditions prevailing during the period December 2019 through February 2020 is estimated at about 65%, while the chances for El Niño and La Niña are 30% and 5%, respectively, according to WMO’s El Niño/La Niña Update.
Publish Date: 22 September 2019
Record greenhouse gas concentrations mean further warming The tell-tale signs and impacts of climate change – such as sea level rise, ice loss and extreme weather – increased during 2015-2019, which is set to be the warmest five-year period on record, according to the World Meteorological Organization (WMO). Greenhouse gas concentrations in the atmosphere have also increased to record levels, locking in the warming trend for generations to come.
Publish Date: 16 September 2019
On this year’s International Day for the Preservation of the Ozone Layer, WMO highlights the coordinated efforts to measure and analyze ozone layer through its Global Atmosphere Watch network in support of environmental policy.
Publish Date: 28 August 2019
Fires that are raging in the Amazon rainforest are compounding the stress on the global climate and environment already unleashed by exceptional fires in the Arctic. There are also widespread fires in parts of tropical Africa.