The Planning and Development Act 2000 and the Planning and Development Regulations 2001 introduced several important changes into Irish planning law such as the provision for social and affordable housing. This key legislation is fully explored and clearly explained by a leading expert in this essential planning and environmental law title. As well as this legislative information, Key Issues in Planning and Environmental Law provides an explanation of the key everyday terms used in planning and environmental law, knowledge about where they originate and how they have been interpreted by the courts.