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Discuss the role that population growth has played in water pollution. List and describe 2 potential solutions to the potential “water crisis” we may face if water resources continue to be misused.
About 200 million people are infected with dysentery, 20 million of whom are seriously ill. A study has shown that it is possible to reduce the number of incidents by 77%, through water and sanitation interventions. [ The average distance undertaken by African and Asian women and children to gain access to water is approximately six kilometres. Agriculture also has effect on water since intensive cultivation of crops causes chemicals from fertilizers and pesticides to trickle down into the groundwater. The routine application of fertilizers and pesticides are being recognized as water
pollution. Waste water from manufacturing as well as chemical processes in industries have also contributed to water pollution. In 2000, the WHO estimated that of the world’s six billion people, at least 1.1 billion do not have access to safe drinking water and 2.4 billion live without access to sanitation systems. An estimated 14,000 to 30,000, most being children, die everyday from avoidable water related diseases. It is important that governments develop cost effective methods to ensure safe drinking water for everyone. In order to move towards sustainability, industries must be assured of having adequate water supply but must see that water use in industrial processes is handled efficiently. Policy makers need to allocate water to satisfy environmental demands. Water managers could improve the sustainability and productivity of irrigated systems, by considering groundwater availability when allocating surface water for irrigation. rw ]
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Expert answered|selymi|Points 10566|
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Asked 5/26/2013 10:41:01 AM
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