Part D This image from the EPA shows the projected benefits and costs from the most recent amendments to the Clean Air Act. A net improvement in economic welfare is projected because cleaner air leads to better health and productivity for American workers. It also reduces medical expenses for air pollution-related health problems.

alternative pie chart showing a comparison of benefits and costs of Clean Air Act Amendment programs

Based on your findings in parts A to C, write a summary paragraph evaluating the Clean Air Act in terms of cost and effectiveness. Cite evidence for your reasoning.