ozone

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Last updated 4:18 AM on 4/23/24
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6 Terms

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Ozone (O3)

A pollutant in the troposphere originating from the lithosphere, formed through secondary reactions of air pollutants, contributing to smog in urban areas.

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Ozone in the stratosphere

Naturally occurring ozone that shields the Earth from UV radiation, crucial for life on Earth.

3
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Ozone in the troposphere

Ground-level ozone, a harmful pollutant.

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Effects of ozone depletion

Thinning of the ozone layer leads to increased UV radiation penetration, causing harm to ecosystems and human health.

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Causes of ozone thinning

Chlorofluorocarbons (CFCs), halons, and industrial solvents, which break down ozone in the stratosphere.

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Montréal Protocol

A 1987 global agreement to phase out CFCs with substitutes like hydrofluorocarbons to protect the ozone layer, despite the substitutes being potent greenhouse gases.