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The war over blue gold
Diamonds are expensive as they are rare, yet have very little use for our daily needs. On the other hand, fresh water which is essential to human existence is often thought of as a free or low priced commodity, mostly due to its abundance. However in the near future this may change with demand for fresh water slowly inching towards its supply potential.
t_nag  posted 8 years 6 months ago


t_nag  posted 9 years 3 months ago