Main International Organisations:

United Nations Environment Programme (UNEP)

United Nations Development Programme (UNDP)
World Trade Organization (WTO)
World Intellectual Property Organization (WIPO)
Food and Agriculture Organization
International Trade Center (ITC)
World Bank
World Bank/ WTO Trade and Development Centre
International Monetary Fund (IMF)

Locators:
Official Web Site Locator for the United Nations System of Organizations

Links to treaty web sites

Basel Convention on the Control of Transboundary Movements of Hazardous Wastes
Convention on Biological Diversity
Convention on International Trade in Endangered Species (CITES)
Convention on Migratory Species 
Montreal Protocol on Substances That Deplete the Ozone Layer
UN Framework Convention on Climate Change
UN Convention to Combat Desertification
Convention on the Prior Informed Consent Procedure for Certain Hazardous Chemicals and Pesticides in International Trade
Barcelona Convention for the Protection of the Mediterranean Sea Against Pollution
Cartagena Convention for the Protection and Development of the Marine Environment of the Wider Caribbean Region
Protocol on Environmental Protection to the Antarctic Treaty
The international nuclear legal framework
International Coral Reef Initiative
United Nations Law of the Sea


Links to other relevant sites :

United Nations Environment Programme (Economics and Trade Unit)
United Nations Environment Programme (legal activities)
The Multilateral Project (conventions)
 



International Organisations and Bodies:
Group of 77
Group of 77 provides the means for the developing world to articulate and promote its collective economic interests and enhance its joint negotiating capacity on all major international economic issues in the United Nations system, and promote economic and technical cooperation among developing countries (ECDC/TCDC).
International Chamber of Commerce

International Development Research Center (IDRC)

The IDRC is a public corporation created by the Canadian government to help communities in the developing world find solutions to social, economic, and environmental problems through research.
International Policy Council on Agriculture Food and Trade
(IPC) is dedicated to developing and advocating policies that support an efficient and open global food and agricultural system - one that promotes the production and distribution of food supplies adequate to meet the needs of the world’s growing population, while supporting sound environmental standards.
International Organization for Standardization (ISO)
The mission of ISO is to promote the development of standardization and related activities in the world with a view to facilitating the international exchange of goods and services, and to developing cooperation in the spheres of intellectual, scientific, technological and economic activity.
Office international des épizooties
As the world organisation for animal health, the main objectives of the OIE are to: inform Governments of the occurrence and course of animal diseases throughout the world, and of ways to control these diseases coordinate, at the international level, studies devoted to the surveillance and control of animal diseases harmonise regulations for trade in animals and animal products among Member Countries.
Organization for Economic Co-Operation and Development (OECD)
A forum permitting governments of the industrialised democracies to study and formulate the best policies possible in all economic and social spheres.
World Customs Organization (WCO)
The WCO, established in 1952 as the Customs Co-operation Council, is an independent intergovernmental body with world-wide membership whose mission is to enhance the effectiveness and efficiency of Customs administrations. 

Regional Organisations and Bodies:

Organization of American States (OAS)
The principal forum in the hemisphere for dialogue on political, economic and social issues. Every country in the Americas is a member of the Organization.
Asia-Pacific Economic Cooperation (APEC)
(APEC) was formed in 1989 in response to the growing interdependence among Asia-Pacific economies. Begun as an informal dialogue group with limited participation, APEC has since become the primary regional vehicle for promoting open trade and practical economic cooperation.
Association of Southeast Asian Nations (ASEAN)
The ASEAN nations came together with three main objectives in mind: to promote the economic, social and cultural development of the region through cooperative programmes; to safeguard the political and economic stability of the region against big power rivalry; and to serve as a forum for the resolution of intra-regional differences. .
European Union (EU)
La Francophonie
European Bank for Reconstruction and Development (EBRD)
European Bank for Reconstruction and Development (EBRD) was established to foster the transition towards market-oriented economies and to promote private and entrepreneurial initiative in the central and eastern European countries committed to and applying the fundamental principles of multiparty democracy, pluralism and market economics.
Inter-American Development Bank (IADB) ]
Established in December of 1959 to help accelerate economic and social development in Latin America and the Caribbean.
Asian Development Bank (ADB)
The Asian Development Bank, a multilateral development finance institution whose capital stock was owned by 56 member coutries as of end-1996, is engaged in promoting the economic and social progress of its developing member countries (DMCS) in the Asian and Pacific region.

International Information Sources:

Trade Law:
Find Law - International Trade
Search Mechanism and extensive links to trade-law related sites on the WWW
International Trade Law Monitor
The ITL provides information and links related to international trade law. The ITL presents the full texts and where relevant country implementation details of several of the most important conventions and other documents used in International trade.
United Nations Commission on International Trade Law

Statistical Data:
Michigan State University
Statistical data and information resources