### Question
How does the law define environmental impact statement?


### Answer
Under *23 U.S.C. § 157*, **environmental impact statement** is defined as:

> a detailed statement required under section 102(2)(C) of the National Environmental Policy Act of 1969 (42 U.S.C. 4332(2)(C))

#### Citation:
  - *23 U.S.C. § 157*
  - Heading: **CHAPTER 1-FEDERAL-AID HIGHWAYS**

