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Ozone Layer Depletion

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Carbon Tetrachloride

Impact: Contributes to ozone depletion through chlorine release when it breaks down. Alternatives: Substances like 1,3-dichloropropene for solvents and methoxypropyl acetate in chemical synthesis.

Nitrous Oxide

Impact: Byproduct of agricultural and industrial processes that indirectly depletes ozone. Alternatives: Optimized fertilizer application, biological nitrogen fixation, and industrial process improvements.

Chlorofluorocarbons (CFCs)

Impact: Deplete ozone by releasing chlorine atoms that catalyze ozone breakdown. Alternatives: Use of hydrofluorocarbons (HFCs), hydrochlorofluorocarbons (HCFCs), or natural refrigerants like ammonia.

Methyl Bromide

Impact: Releases bromine, which rapidly degrades ozone molecules. Alternatives: Integrated pest management (IPM), steam sterilization, and biofumigation in agriculture.

Halons

Impact: Similar to CFCs, halons release bromine which is even more efficient at destroying ozone Alternatives: Water mist systems, inert gas fire suppressant systems, or newer halocarbon compounds.

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