Abstract

Strategic Environmental Assessment is one of the main tools for sustainability in planning. Its strong connections with the planning process requires to investigate multiple theories. To this extent, the author explores the relationships between evaluation in planning, decision theories and public participation within environmental assessment practices. How good theories can produce good practices is the key-theme of such an investigation. To achieve environmental quality in planning requires the integration of plan making and evaluation, economic investments and environmental resources, public offices and agencies, and different types of knowledge.