With a considerable influence on national and international legislators, courts, public administrators and private companies, environmental principles - such as the polluter-pays principle, sustainable development or the precautionary principle - play an important role in the making, application and the interpretation of environmental law. As a key part of the Elgar Encyclopedia of Environmental Law, this comprehensive volume provides detailed coverage of all of the important environmental principles and offers unique insights as well as wider reflection on the role played by principles. ...