| http://www.w3.org/ns/prov#value | - There are now 5.8 billion human beings on the planet, and according to the United Nations, the population of earth is expected to grow to around 7.9 billion by 2050. [For the most up-to-date numbers, www.zpg.org] In a world that currently wrestles with such serious problems as global warming, the thinning of the ozone layer, increasing crime rates, toxic chemicals in our food, and starvation in de
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