APFIVE Reducing Ozone-Depleting Substances
Which of the following actions has been most effective in reducing the atmospheric concentration of ozone-depleting substances?
A
Implementing international agreements like the Montreal Protocol
B
Introducing tariffs on products produced with chlorofluorocarbons (CFCs)
C
Promoting the use of alternative coolants to HCFCs and CFCs
D
Offering tax credits for recycling old refrigerators and air conditioners
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