| http://www.w3.org/ns/prov#value | - While the cost of energy affects topline wealth???the cost of water reflects bottom line wealth. (For example, the cost of food represents maybe 8% of Americans home costs???however, food represents 40% of costs for say, people in Egypt.) All the greatest advances in power and water in the 20th century were top down advances incubated mostly in the US and then moved to the rest of the world.
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