The thesis is a comparative legal analysis of environmental principles in environmental law. Environmental principles are novel concepts in environmental law and they have a high profile in environmental law scholarship. This high profile is promoted by two factors – the high hopes that environmental law scholars have for environmental principles, and the increasing prevalence of environmental principles in legal systems, particularly in case law. This thesis analyses the latter, mapping doctrinal developments involving environmental principles in two jurisdictions and court systems – the courts of the European Union and the New South Wales Land and Environment Court. This doctrinal mapping has both narrow and broad aims. Narrowly, it ident...