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  1. Dictionary
    o·zone de·ple·tion

    noun

    • 1. reduction in the concentration of ozone in the ozone layer: "this chemical contributes to ozone depletion"

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  2. www.britannica.com › science › ozone-depletionOzone depletion | Facts, Effects, & Solutions | Britannica

    Jun 27, 2024 · Ozone depletion, gradual thinning of Earth’s ozone layer 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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  4. byjus.com › biology › ozone-layer-depletionOzone Layer Depletion - Cause, Effects, And Solutions - BYJU'S

    Ozone layer depletion is the thinning of the ozone layer that protects the earth from the harmful UV radiations. Explore the causes, effects, and solutions to ozone layer depletion only at BYJU'S.

  5. en.wikipedia.org › wiki › Ozone_depletionOzone depletion - Wikipedia

    Ozone 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 (the ozone layer) around Earth's polar regions.

  6. www.nationalgeographic.com › environment › articleOzone layer facts and information - National Geographic

    Jan 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...

  7. www.epa.gov › ozone-layer-protection › basic-ozone-layer-scienceBasic Ozone Layer Science | US EPA

    Oct 7, 2021 · Some compounds release chlorine or bromine when they are exposed to intense UV light in the stratosphere. These compounds contribute to ozone depletion, and are called ozone-depleting substances (ODS ODSA compound that contributes to stratospheric ozone depletion.

  8. www.epa.gov › ozone-layer-protection › health-andHealth and Environmental Effects of Ozone Layer Depletion

    Sep 11, 2023 · Effects on Human Health. Ozone layer depletion increases the amount of UVB that reaches the Earth’s surface. Laboratory and epidemiological studies demonstrate that UVB causes non-melanoma skin cancer and plays a major role in malignant melanoma development.

  9. www.epa.gov › information-ozone-and-ozone-depletionInformation on Ozone and Ozone Depletion | US EPA

    Jan 9, 2024 · 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 substances (ODS) under the Montreal Protocol. Current State of the Ozone Layer. Learn about the recovery of the ozone layer.

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