Drip irrigation could help save world water resources
Better techniques such as drip irrigation could reduce water use by 25%-90% if exported to the developing world. Irrigation of crops accounts for 90% of the worlds use of fresh water.
Leaders attending the Earth Summit II in New York are being warned that wars over the worlds dwindling water resources are likely in the next 10 years unless urgent action is taken to improve conservation technologies in developing countries.
Up to 800 rivers could increasingly become the focus of international disputes. These include the Amazon, Euphrates and Danube. This could happen as countries along their lengths pump out more water to irrigate crops and supply growing industries and rising populations. The alarm is raised in a UN report Comprehensive Assessment of Freshwater Resources of the World.