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BookmarkOzone depletion describes the observed loss of ozone in the stratosphere over the past 50 years.
It encompasses both a steady thinning of the ozone layer at mid-latitudes and its catastrophic springtime collapse at the poles, often called the ozone hole..
For more information about the topic Ozone depletion, read the full article at Wikipedia.org, or see the following related articles:
Ozone layer — The ozone layer is the part of the Earth's atmosphere which contains relatively high concentrations of ozone (O3). "Relatively high" means a few ... > read more
Tropospheric ozone — Ozone (O3) is a key constituent of the troposphere. Photochemical and chemical reactions involving it drive many of the chemical processes that occur ... > read more
Refrigerant — A refrigerant is a compound used in a heat cycle that undergoes a phase change from a gas to a liquid and back. The two main uses of refrigerants are ... > read more
Haloalkane — The haloalkanes (also known as Halogenoalkanes) are a group of chemical compounds, consisting of alkanes, such as methane or ethane, with one or more ... > read moreNote: This page refers to an article that is licensed under the GNU Free Documentation License. It uses material from the article Ozone depletion at Wikipedia.org. See the Wikipedia copyright page for more details.
