answer whats in the description

Write an essay consisting of at least 500 words addressing all of the following topics (a through f): 

a. Though federal air quality legislation prior to 1970 was generally considered ineffective, what aspects of pre-1970 legislation helped lead to the effectiveness of the 1970 Clean Air Act? 

b. What are the key aspects of the clean air legislation beginning in 1970 that made substantial improvements to air quality? 

c. Explain New Source Review (NSR), and indicate the year that it was promulgated. 

d. Why would a state want to sue the U.S. EPA? 

e. Do you think the CAFE standard of 35 mpg by the year 2020 mentioned on page 182 of our textbook will occur? 

f. For a NAAQS parameter of your choice and a city in the United States of your choice, discuss how the concentration of your chosen parameter has changed from 1970 to the present. Do you think the Clean Air Act has had an influence on the trend? To help you get started, consider performing an Internet search on "Columbus, Ohio air quality 1970 to present" and substitute the city of your choice. 

You are required to use at least your textbook as source material for your response. All sources used, including the textbook, must be referenced; paraphrased and quoted material must have accompanying citations.

Write an essay consisting of at least 500 words addressing all of the following topics (a through f): 

a. Taking into account air quality legislation prior to 1970, why is the 1970 Clean Air Act considered the beginning of the modern era in clean air legislation? 

b. List the parameters that are on the NAAQS. 

c. Explain how the U.S. President and/or U.S. Congress influence the U.S. EPA. 

d. Explain the pros and cons of MTBE. 

e. Why are toxic compounds, such as those listed in Table 5-3 of our textbook (page 184), not in the NAAQS? 

f. For a NAAQS parameter of your choice and a city in the United States of your choice, discuss how the concentration of your chosen parameter has changed from 1970 to the present. Do you think the Clean Air Act has had an influence on the trend? To help you get started, consider performing an Internet search on "Columbus Ohio air quality 1970 to present" and substitute the city of your choice. 

You are required to use at least your textbook as source material for your response. All sources used, including the textbook, must be referenced; paraphrased and quoted material must have accompanying citations.