Why Is the Problem of Ozone Depletion Different from the Problem

Multiple Choice

Why is the problem of ozone depletion different from the problem of global warming?

A) Stopping ozone depletion involves easily manipulated developing countries,whereas global warming involves more powerful developed countries.
B) Ozone depletion is not a collective action problem,but stopping global warming is a collective action problem.
C) There are few CFC-producing countries,but nearly all industrialized and industrializing countries emit greenhouse gases.
D) Ozone depletion is a much more serious threat than global warming.
E) The United States has emitted a much smaller percentage of CFCs than of greenhouse gases.