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Tudi če ne verjamete v človekov vpliv na globalno segrevanje, boste težko trdili, da je dolgotrajna suša posledica "okoljskega pretiravanja".

Posledica okoljskega pretiravanja je nižji standard Zemljanov kot bi bil, če tega pretiravanja ne bi bilo. Dolgotrajna suša je velik problem v zelo revnih državah, ker ne morejo uvoziti v času suše dovolj vode, pa čeprav znašajo stroški proizvodnje pitne vode pri razsoljevanju kubičnega metra slane vode komaj 0,58 $.

"The world’s largest and cheapest reverse-osmosis desalination plant is up and running in Israel. The new plant in Israel, called Sorek, was finished in late 2013 but is just now ramping up to its full capacity; it will produce 627,000 cubic meters of water daily... The traditional criticism of reverse-osmosis technology is that it costs too much. The process uses a great deal of energy to force salt water against polymer membranes that have pores small enough to let fresh water through while holding salt ions back. However, Sorek will profitably sell water to the Israeli water authority for 58 U.S. cents per cubic meter (1,000 liters, or about what one person in Israel uses per week), which is a lower price than today’s conventional desalination plants can manage." Vir: technologyreview.com