By the time a case reaches the Supreme Court, there has been extensive litigation in trial and appellate courts. Before parties file lawsuits, they usually try to resolve their disputes informally.

Assume that you work for the state of Massachusetts in the case of Massachusetts v. E.P.A., 549 U.S. 497. Draft a letter to be sent to the E.P.A. requesting that it enforce the provisions of the Clean Air Act relating to pollutants emitted by motor vehicles. Before writing the letter, search the Internet for some general information regarding the harmful effects of various motor vehicle emissions. Also, search the Internet for some general information about the Clean Air Act. Use relevant information in the letter.