The government has tightened security over smuggling of Ozone Depleting Substances (ODS) in a bid to tackle both ozone layer depletion and climate change.
ODS include chlorofluorocarbons (CFCs), hydrochlorofluorocarbons (HCFCs), halons, methyl bromide, carbon tetrachloride, hydrobromofluorocarbons, chlorobromomethane, and methyl chloroform.
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