Which of these solutions is the best way to help a city as its population grows and its air becomes more polluted?
A. Reduce air-quality regulations so businesses can grow unimpeded.
B. Reduce road construction to dissuade new residents.
C. Invest in urban sprawl to better disperse the pollution.
D. Invest in alternative energy sources to reduce emissions,
D. Invest in alternative energy sources to reduce emissions.
This solution addresses the root cause of the issue by reducing the amount of pollutants being released into the air. It is a proactive approach that can help mitigate the effects of a growing population on air quality. Additionally, investing in alternative energy sources can also create job opportunities and promote sustainability in the long run.