The Max Planck Encyclopedias of International Law

Welcome to the home of the most trusted reference work in international law, the Max Planck Encyclopedia of Public International Law, as well as the newly-launched Max Planck Encyclopedia of International Procedural Law. The two Encyclopedias can be searched and browsed together, or separately by using appropriate filters. Find out more about the Encyclopedias and their teams by following the links on this page.

International Environmental Law Collection

We have made available a selection of 14 articles from the Max Planck Encyclopedia of International Procedural Law that examine the international organizations, historical context, and existing compliance mechanisms involved in international environmental law. The collection covers subjects from climate change litigation to the Aarhus Convention.

The Promise of International Law Collection

Access 25 articles and chapters in our latest collection based on the theme "The Promise of International Law".

The collection reflects on the failures and successes of international law in the last few decades, and the current role international law plays in helping achieve global justice, sustainable development, and international peace and security. All content featured is free to access until 30th June 2020.