Glossary O

The Environmental Glossary. Letter O +++ Popular Articles: 'Ozone-depleting substance', 'Ozone', 'Organism'

Deutsch: Ozon / Español: Ozono / Português: Ozônio / Français: Ozone / Italiano: Ossigeno /

Ozone (O3) is a colorless gas with a pungent odor, having the molecular form of O3 , found in two layers of the atmosphere, the stratosphere (about 90% of the total atmospheric loading) and the troposphere (about 10%).

An Ozone (O3) is a colorless gas with a pungent odor, having the molecular form of O3, found in two layers of the atmosphere, the stratosphere (about 90% of the total atmospheric loading) and the troposphere (about 10%).

An ozone depletion is the reduction of the protective Layer of ozone in the upper atmosphere by chemical pollution.

Deutsch: Ozonloch / Español: Agujero de ozono / Português: Buraco de ozono / Français: Trou dans la couche d'ozone / Italiano: Buco dell'ozono /

An ozone hole is a hole or gap in the protective layer of ozone in the upper atmosphere

An Ozone layer is the layer of gaseous ozone (O3) in the stratosphere that protects life on earth by filtering out harmful ultraviolet radiation from the sun.

Ozone precursors are Chemical compounds, such as carbon monoxide, methane, non-methane hydrocarbons, and nitrogen oxides, which in the presence of solar radiation react with other chemical compounds to form ozone, mainly in the troposphere.

Deutsch: Ozonabbauend / Español: Agotamiento del ozono / Português: Destruição do ozônio / Français: Appauvrissement de l'ozone / Italiano: Distruzione dell'ozono

Ozone-depleting in the environment context refers to substances or activities that contribute to the reduction of the ozone layer in the Earth's stratosphere. The ozone layer is crucial for life on Earth as it absorbs the majority of the sun's harmful ultraviolet (UV) radiation, which can cause skin cancer, cataracts, and other health problems in humans and animals, and has adverse effects on plants and ecosystems. Ozone-depleting substances (ODS) include a range of chemical compounds, most notably chlorofluorocarbons (CFCs), hydrochlorofluorocarbons (HCFCs), halons, and methyl bromide, which release chlorine or bromine when they break down in the stratosphere, thereby destroying ozone molecules.

German: Ozonabbauende Substanz
A compound that contributes to stratospheric ozone depletion.

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