Large-Scale Environmental Problems Such as Global Warming Have Been Difficult

Large-scale environmental problems such as global warming have been difficult to address because

A) they are localized and require specific countries to act individually.
B) people in colder climates are looking forward to the warm weather.
C) the primary contributors to the problem are developed Western powers accustomed to ignoring international law.
D) they do not actually exist.  The scientific community now agrees global warming was a hoax.
E) the economies of industrial nations have come to depend on constantly-increasing consumption of goods and energy.