Environmental Assessment is considered to be more effective when conducted at strategic levels of decision making, and is usually perceived to have a goal of achieving sustainable development. This module provides experience of conducting a particular form of strategic assessment, Sustainability Appraisal (SA), which incorporates environmental, social and economic considerations into plan making. Through practice of SA, a field course involving hands-on application of environmental assessment techniques, and consideration of effectiveness theory, this module will examine what makes assessment effective.