Environmental law is a dynamic and expanding area where active parliaments and courts generate a complex and interconnected web of legislation and regulations. Particular challenges arise from government attempts to balance environmental issues and developmental imperatives. The Environmental Law Handbook, now in its 7th edition, clarifies the complexity of this law for a wide range of readers. Twenty-four specialists in environmental law share the writing, building on the work of previous editions, and working under the editorship of Dr Peter Williams from the School of Law at the University of Notre Dame, Sydney. These lawyers, professors, academics and policy makers apply their wealth of practical experience and knowledge to offer a clear account of the law applying to environmental planning and protection in NSW. Those familiar with earlier editions will find that the book has been heavily reorganised and rewritten, and redesigned for easier location and use of content. Substantial changes have occurred in environmental law since release of the 6th edition of the book in 2016.