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Ozone depletion | Facts, Effects, & Solutions | Britannica
https://www.britannica.com/science/ozone-depletion
WEBApr 9, 2024 · ozone depletion, gradual thinning of Earth ’s ozone layer in the upper atmosphere caused by the release of chemical compounds containing gaseous chlorine or bromine from industry and other human activities. The thinning is most pronounced in the polar regions, especially over Antarctica.
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Ozone depletion - Wikipedia
https://en.wikipedia.org/wiki/Ozone_depletion
WEBOzone depletion consists of two related events observed since the late 1970s: a steady lowering of about four percent in the total amount of ozone in Earth's atmosphere, and a much larger springtime decrease in stratospheric ozone …
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Information on Ozone and Ozone Depletion | US EPA
https://www.epa.gov/ozone-layer-protection/information-ozone-and-ozone-depletion
WEBJan 9, 2024 · Basic Ozone Layer Science. Learn about the ozone layer and ozone depletion. Health and Environmental Effects of Ozone Layer Depletion. Learn about the consequences of ozone depletion and UV-B for human health and the environment. Ozone-Depleting Substances. See a list of chemicals categorized as ozone-depleting …
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Ozone layer facts and information - National Geographic
https://www.nationalgeographic.com/environment/article/ozone-depletion
WEBJan 10, 2023 · Climate 101: Ozone Depletion The ozone layer helps to protect life from harmful ultraviolet radiation. Find out what caused the ozone hole, and how the 1989 Montreal Protocol sought...
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Frequently Asked Questions about the Ozone Layer | US EPA
https://www.epa.gov/ozone-layer-protection/frequently-asked-questions-about-ozone-layer
WEBDec 1, 2023 · What is ozone depletion, and how does it occur? Ozone molecules in the stratosphere are constantly being produced and destroyed by different types of UV radiation from the sun. Normally, the production and destruction is balanced, so the amount of ozone in the stratosphere at any given time is stable.
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Scientific Assessment of Ozone Depletion: 2022 - National …
https://csl.noaa.gov/assessments/ozone/2022/twentyquestions/
WEBThe questions and answers address the nature of atmospheric ozone, the chemicals that cause ozone depletion, how global and polar ozone depletion occur, the extent of ozone depletion, the success of the Montreal Protocol, the possible future of the ozone layer, and the protection against climate change now provided by the Kigali Amendment.
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Basic Ozone Layer Science | US EPA
https://www.epa.gov/ozone-layer-protection/basic-ozone-layer-science
WEBOct 7, 2021 · Ozone Depletion. When chlorine and bromine atoms come into contact with ozone in the stratosphere, they destroy ozone molecules. One chlorine atom can destroy over 100,000 ozone molecules before it is removed from the stratosphere. Ozone can be destroyed more quickly than it is naturally created.
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Scientific Assessment of Ozone Depletion: 2022 - National …
https://csl.noaa.gov/assessments/ozone/2022/executivesummary/
WEBNew evidence confirms that ozone depletion is unlikely to have driven the observed high-latitude sea-surface temperature cooling and changes in Antarctic sea ice since 1979. There is no robust link between ozone depletion and net Southern Ocean carbon uptake, which exhibits large decadal variations.
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Science - Ozone Depletion
https://www.ozonelayer.noaa.gov/science/o3depletion.htm
WEBScience: Ozone Depletion. In the stratosphere, the region of the atmosphere between about 6 and 30 miles (10 and 50 kilometers) above the Earth's surface, ozone (O3) plays a vital role by absorbing harmful ultraviolet radiation from the sun. Stratospheric ozone is threatened by some of the human-made gases that have been released into the ...
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NOAA CSL: Scientific Assessment of Ozone Depletion: 2022
https://csl.noaa.gov/assessments/ozone/2022/
WEBOzone. 2022. Introduction. The 2022 WMO/UNEP Ozone Assessment contains the most up-to-date understanding of ozone depletion, reflecting the thinking of hundreds of international scientific experts who contribute to its preparation and review.
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