On 12 April 2011 19:50, Keith Henson <<a href="mailto:hkeithhenson@gmail.com">hkeithhenson@gmail.com</a>> wrote:<br>> That is utter nonsense. With really low cost energy you can make<br>> fresh water out of salt and pump it inland a thousand miles.<br>
<br>I am pretty much convinced myself that given a sufficient quantity of energy (and of information one can do more or less anything at all.<br><br>What about reorganising the matter in the solar system into a Dyson sphere around our star? Such solution would certainly sustain a much larger population than six, or sixty, billion people for a rather long time, including in the framework of very inefficient food-production choices.<br>
<br>Nevertheless, I think that J. Stanton may have a point as far as more immediate scenarios are concerned.<br><br>-- <br>Stefano Vaj<br>