1. The document outlines three fundamental concepts of environmental impact assessment: defining impacts, defining the baseline situation, and defining activities. Impacts are changes from the baseline situation caused by an activity.
2. Screening activities is the first step to sort them by risk level. An Initial Environmental Examination (IEE) is used to determine if significant adverse impacts are likely.
3. If significant impacts are possible, a Full Environmental Assessment is required and must include alternatives analysis, scoping, and public consultation.