Now in its fourth year, the Max Planck Yearbook of United Nations Law is becoming a much sought-after forum for essays by the most distinguished professors in international law. These essays cover a variety of topics related to the activities of the United Nations: from the role of the Security Council to UN treaties, from environmental issues to humanitarian law. The Yearbook also contains essays on related organizations such as the World Bank, the IAEA, and the WTO. Volume 4 focuses on environmental topics in the light of UN and WTO frameworks. It also contains topical articles such as the UNSC resolutions on Kosovo and Iraq. This book is a must-have for any academic involved in international law.