Since the passing of the Clean Air Act amendments in 1990,the aggregate emissions from the 6 common pollutants have
A)decreased by about 40% even as GDP and population increased.
B)stayed the same despite more industry.
C)increased as GDP increased.
D)decreased because energy used has declined.
E)decreased slightly due to the increase by 64% in GDP.

Question

Quizplus · Accepted Answer

The Clean Air Act amendments of 1990 have been highly effective in reducing pollution. Despite economic growth and an increase in population, the aggregate emissions of the six common pollutants have decreased by about 40%, demonstrating the effectiveness of environmental regulation in reducing pollution without hindering economic development.

Since the Passing of the Clean Air Act Amendments in 1990,the