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"Bruce Sinclair" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > In article <[EMAIL PROTECTED]>, "Jim Webster" <[EMAIL PROTECTED]> wrote: > > > >"Bruce Sinclair" <[EMAIL PROTECTED]> wrote in > >message news:[EMAIL PROTECTED] > >> In article <[EMAIL PROTECTED]>, "Jim Webster" > ><[EMAIL PROTECTED]> wrote: > >> >> To be fair, that's a bit simplistic. > >> > > >> >The laws of thermodynamics are. And there is no appeal. > >> > >> Indeed. But this was a point about dessertification, not fertiliser. The > >> cause/effect connection is not as clear as was being suggested. More than > >one > >> thing is operating here. > > > >but there always is more than one effect, but desertification is basically > >the result to too little water and too little fertiliser combined with too > >much being extracted. > > Articles I have read say that your point of view is wrong. > > > Throughout history there are large areas that have > >been fertile but have been rendered desert not by climate change but by > >passing armies destroying the infrastructure, the mongols were classic > >exemplars of this > > Again ... this might indeed have happened ... but it also happens without any > help from peolpe. Other factors are also operating. > sure the climate is constantly changing, we do not maintain a constant distance from the sun, the solar system moves through interstellar dust belts of varying density as it rotates around the galactic core, many things happen Jim Webster > Bruce > > > ----------------------------------------------------------------------- > It was so much easier to blame it on Them. It was bleakly depressing to > think that They were Us. If it was Them, then nothing was anyone´s fault. > If it was Us, what did that make Me ? After all, I´m one of Us. I must be. > I´ve certainly never thought of myself as one of Them. No-one ever thinks > of themselves as one of Them. We´re always one of Us. It´s Them that do > the bad things. <=> Terry Pratchett. Jingo.
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