For decades now we have wasted and mismanaged the world's water
supplies. Today, 27 countries are short of water, a quarter of the
world's population has no safe water, 46 per cent have no proper
sanitation and each year four million children die of water-borne
diseases. As most of the world's major river systems cross several
national boundaries, the scope disputes and the threat to
international security is becoming more and more real. In The Last
Oasis, Sandra Postel examines the economic, ecological and
political factors affecting fresh water supply. She confronts the
issues of mismanagement and profligacy and analyses and dangers of
confrontation, both between nations and between rural and urban
users. She also emphasises that the technology and know-how for
effective water husbandry does exist. With methods already in use,
farmers could cut their demand for water by 40-90 per cent, and
cities by one-third, without sacrificing economic output or quality
of life. Investing in water efficiency, recycling and conservation
help meet rising demands and stave off disaster. But the priority
is a common recognition of the gravity of the position, and with
that a widespread push for institutions to manage sustainable use
of water.
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