My government is intending to spend $9,000,000,000 on new fighter planes (a few dozen).
$9,000,000,000 would purchase 90,000,000 BSF's (cost of filter and administration). These filters would provide safe drinking water to nearly 500,000,000 people. This would go a long, long way to achieving the UN Millennium Development Goals.
The official international open forum for anyone interested in the BioSand Water Filter
Maybe there is some yet unknown way in which the new fighter planes will fight contaminated water. Or maybe just limit the number of people existing to suffer from water problems.
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