If it works, sea water from 80 feet down will be turned into up to 25 million gallons a day of fresh water for Monterey, CA using renewable energy.
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It’s ideal for disaster relief. Inhabitat has the details. The hugely visionary Sahara Forest Project, a collaboration between Norway and Jordan, is about to become reality. It will desalinate water from the Red Sea using solar power, and will also use the incoming water to cool greenhouses so crops can be grown year round in the desert. [...] Their new way of doing desal also needs less pre-treatment and chemicals and is ideal for usage in arid areas, exactly where it is needed. Sfgate.com, Desal costs As many as twenty desalination plants are planned for California. Sure, the state needs water, lots of it. But desalination is extremely expensive and uses lots of fossil fuels and electricity in the process. Then’s there’s the whole question about the wisdom of dumping all that salt back into the ocean. [...] Yes, California needs more water. So,the largest desalination plant in the northern hemisphere has been approved for Carlsbad, California. But how feasible is it? Desal requires enormous amounts of energy to operate and dumps the salt back into the ocean, which can’t be healthy for it long-term. Reclaiming gray water and intelligent conservation would go [...] The Rio Grande has no excess water left to give, so border cities are looking at desalination. “The Rio Grande is one of the most stressed river basins in the world and water use is already at its limit,” said Casey Walsh, a water specialist. El Paso, some experts say, could run out of [...] |  | ||||
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