Principle of Subsidiarity and the EU Environmental Policy

The principle of subsidiarity is a fundamental principle of the European Union. It has first been introduced in the field of environmental policy by the Single European Act in 1987 and extended to all fields of shared competencies by the Maastricht treaty in 1992. Since then much has been done to operationalize the principle, and subsidiarity has received increasing attention by the Union’s institutions and Member States. The following contribution provides a brief appraisal of the role of the principle and of how it has influenced environmental legislation, so far