Article 13Or, EC Treaty, setting out the principles of Community environmental policy, and not having direct effect; contention, based on an analogy with Community competition law, that Article 130r imposes obligations to be observed when Member States legislate and when their authorities make individual environmental decisions; argument that European environmental legislation must be interpreted in accordance with Article 13Or even when the legislation was adopted before Article 130r was enacted; effect on public international law if the overall thesis were accepted.