1. O� en est le droit international de l'environnement � la fin du si�cle?;E G See;Global Environmental Change and International Law,1996
2. The Appropriate Hierarchy of Global Multilateralism and Customary International Law: The Example of the WTO;J O Mcginnis;Virginia Journal of International Law,2003
3. Canada - Continued Suspension of Obligations in the EC – Hormones Dispute
4. while recognizing that the principle is still evolving, submit nevertheless that there is currently sufficient state practice to support the view that the precautionary principle is a principle of customary international law. See, for example, P. Sands;� Ec -Hormones;Interpreting the Precautionary Principle,1992