### Question
How does Subchapter Referred to in Other Sections define adverse environmental effect?


### Answer
Under *42 U.S.C. § 7412*, **adverse environmental effect** is defined as:

> any significant and widespread adverse effect, which may reasonably be anticipated, to wildlife, aquatic life, or other natural resources, including adverse impacts on populations of endangered or threatened species or significant degradation of environmental quality over broad areas

#### Citation:
  - *42 U.S.C. § 7412*
  - Heading: **SUBCHAPTER I-PROGRAMS AND ACTIVITIES > Subchapter Referred to in Other Sections > Amendments**

