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The Latin American and Caribbean countries have seen growing pressure on water resources, with increasing demand and costs, for agricultural, domestic and industrial consumption. This has brought about the need to maximize and augment the use of existing or unexploited sources of freshwater. There are many modem and traditional alternative technologies for improving the utility and augmenting the supply of water being employed in various countries, but with limited application elsewhere due to the lack of information transfer among water resources managers and planners.

The Source Book of Alternative Technologies for Freshwater Augmentation in Latin America and the Caribbean was prepared by the Unit of Sustainable Development and Environment of the General Secretariat of the Organization of American States (OAS) as part of the joint United Nations Environment Programme (UNEP) Water Branch and International Environmental Technology Centre (IETC) initiative to provide water resource managers and planners, especially in developing countries and in countries with economies in transition, with information on the range of technologies that have been developed and used in the various countries throughout the world.

This information was gathered through surveys carried out on a regional basis - in Africa, Western Asia, East and Central Europe, Latin America and the Caribbean, and Small Island Developing States. The results, including this Source Book, will be compiled into a Global Source Book on Alternative Technologies for Freshwater Augmentation to be used throughout the countries of the world.

It is hoped that the technologies summarized here will be useful in the sustainable development of the countries of Latin America, the Caribbean and other regions.

Richard Meganck

Walter Rast

Kirk P. Rodgers


Deputy Director (Freshwater)


International Environmental

Water Branch

Unit of Sustainable

Technology Centre

United Nations

Development and

United Nations

Environment Programme


Environment Programme

Nairobi, Kenya

Organization of American States

Shiga, Japan

Washington. D.C.. U.S.A.

Latin America and the Caribbean - Map NO 3453 United Nations

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