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Earth’s Ozone Layer to be completely recovered by 2040 says United Nations

Web Desk by Web Desk
January 16, 2023
in World, Lifestyle
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Earth's Ozone Layer to be completely recovered by 2040 says United Nations

Earth's Ozone Layer to be completely recovered by 2040 says United Nations

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The Earth’s protective ozone layer is now recovered within four decades.

In a tweet on Tuesday, the UN Secretary-General António Guterres said that the restoration of the ozone layer was “an encouraging example of what the world can achieve when we work together”.

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The ozone layer is on track to recover within four decades.

This is an encouraging example of what the world can achieve when we work together for the sake of our planet & its people. https://t.co/Ee6b3JFP5e

— António Guterres (@antonioguterres) January 10, 2023

The ozone layer in the upper atmosphere protects the Earth from the sun’s ultraviolet radiation, which causes skin cancer, eye cataracts, compromised immune systems, and agricultural land damage.

Scientists said the recovery is gradual and will take many years. If current policies remain in place, the ozone layer is expected to recover to 1980 levels, before the appearance of the ozone hole — by 2040, the report said and will return to normal in the Arctic by 2045. Additionally, Antarctica could experience normal levels by 2066.

Scientists and environmental groups have long lauded the global ban on ozone-depleting chemicals as one of the most critical environmental achievements to date, and it could set a precedent for broader regulation of climate-warming emissions.

“Ozone action sets a precedent for climate action,” World Meteorological Organization Secretary-General Petteri Taalas said in a statement. “Our success in phasing out ozone-eating chemicals shows us what can and must be done — as a matter of urgency — to transition away from fossil fuels, reduce greenhouse gases and so limit temperature increase.”

Scientists said that global emissions of the banned chemical chlorofluorocarbon-11, or CFC-11, which was used as a refrigerant and in insulating foams, have declined since 2018 after increasing unexpectedly for several years. A large portion of the unexpected CFC-11 emissions originated from eastern China, the report said.

The report also found that the ozone-depleting chemical chlorine declined 11.5% in the stratosphere since it peaked in 1993, while bromine declined 14.5% since it peaked in 1999.

Scientists also warned that efforts to artificially cool the Earth by injecting aerosols into the upper atmosphere to reflect sunlight could thin the ozone layer, and cautioned that further research into emerging technologies like geoengineering is necessary.

It is to be intimated that Researchers with the World Meteorological Organization, the United Nations Environment Program, the National Oceanic and Atmospheric Administration, the National Aeronautics and Space Administration, and the European Commission contributed to the assessment.

Tags: Antonio Guterresburj newsEarthNASAOzone LayerUnited Nations General AssemblyUNO
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