条约

Secretaria Permanente del Tratado General de Integración Económica Centroamericana

Secretariat for the Vienna Convention for the Protection of the Ozone Layer and the Montreal Protocol on Substances that Deplete the Ozone Layer

Secretariat of the Basel Convention

Secretariat of the Convention on International Trade in Endangered Species of Wild Fauna and Flora

Secretariat of the Convention on the Conservation of Migratory Species of Wild Animals

Secretariat of the Rotterdam Convention

Secretariat of the Stockholm Convention on Persistent Organic Pollutants

Secretariat of the United Nations Convention to Combat Desertification

Standing Committee to the Bern Convention on the Conservation of European Wildlife and Natural Habitats

United Nations Framework Convention on Climate Change - Secretariat

United Nations Special Committee on the Situation with Regard to the Implementation of the Declaration on the Granting of Independence to Colonial Countries and Peoples

Agreement for cooperation in dealing with pollution of the North Sea by oil and other harmful substances