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In the absence of fresh water, it becomes a matter of the energy required to clean / desalinate / or distill contaminated water. Abundant clean renewable energ
by nosuchthing 12y ago
In the absence of fresh water, it becomes a matter of the energy required to clean / desalinate / or distill contaminated water.
Abundant clean renewable energy would solve "rare" water issues.
- stouset 12y agoSo would magic. We need to rid ourselves of the mythical notion of "abundant", meaning arbitrarily cheap, energy. There are only a few more doublings of global energy usage left before we heat the atmosphere significantly, not due to greenhouse gases, but by raising the equilibrium temperature of Earth as a radiating blackbody in space. TANSTAAFL. Every resource is ultimately finite. Let's live within our limits rather than justifying our actions with unrealistic fantasizing about future technology.
- nosuchthing 12y ago"Solar energy will be cheaper than fossil fuels by 2016", Dutche Bank [1] Recently Germany had reached a day with %50 of electricity produced by Solar. [2] [1] http://www.bloomberg.com/news/articles/2014-10-29/while-you-were-getting-worked-up-over-oil-prices-this-just-happened-to-solar http://www.bloomberg.com/news/articles/2014-10-29/while-you-... [2] http://theweek.com/speedreads/451299/germany-gets-50-percent-electricity-from-solar-first-time http://theweek.com/speedreads/451299/germany-gets-50-percent...
- stouset 12y agoThis has nothing to do with us having the ability to produce "arbitrarily cheap energy". Did you even read my comment?