Availability and Security of Water Services
Water has become a crucial resource worldwide. Surface water and groundwater are the primary sources of water. The impacts for the the availability of water were generated from work from a variety of sources (FCO 2010). At present, approximately 1.5 billion people, out of a total world population of around 6 billion, live in major watersheds where average river runoff is less than 1000 m3/capita/year (a widely used threshold indicating potential exposure to water resources stresses)(FCO 2010). By 2080, under a moderate population growth projection, approximately 35% of a larger world population-close to 3 billion people-could be living in water-stressed areas (FCO 2010).
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