Offering a detailed legal account of the various legal arrangements at European Union level this book is an ideal reference tool for practitioners and legal scholars. As well as examining the principle sources of EU environmental law enforcement, it also contributes to the legal and political debates that surround the subject. Offering a comprehensive account of the current state of EU environmental law enforcement and the developments affecting it, Martin Hedemann-Robinson explores the role of the European Commission, the possibilities for private law enforcement, and the responsibilities of member state national authorities.