Money well spent!  The exponential growth of the human population is the worlds greatest problem.  It's estimated that the Earth can only sustain a population of about four billion with our standard of living and we  are now almost double that!
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Present economic theory is based on the assumption that population, consumption (both individually and collectively), and environmental contamination can  increase exponentially forever!  That's contrary to the Fundamental Laws Of nature and can't happen!  We  desperately need to stabilize the population and develop a truly sustainable economic model!  

It's time to get VERY serious about Family Planning!!