The renewable fresh water supply on land —water made available year after year by rainfall— is less than one per cent of the total water on the planet.2 Of this tiny fraction of water available for human use, some two-thirds is devoted to agriculture, a figure that rises to more than 80 per cent, sometimes 90 per cent, in many developing countries, where the real water crunch is coming
Primary Language | English |
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Journal Section | Articles |
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Publication Date | September 1, 2002 |
Published in Issue | Year 2002 Volume: 7 Issue: 3 |