2011 Environment - Ozone Depletion

Presence of prominent tropo- spheric turbulence; and inflow of chlorofluorocarbons
Presence of prominent polar front and stratospheric clouds; and inflow of chlorofluorocarbons
Absence of polar front and stratospheric clouds; and inflow of methane and chlorofluorocarbons
Increased temperature at polar region due to global warming

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