标题:
《The Precipice 》作者:- Ben Bova【EPUB】
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作者:
zaq
时间:
2014-4-25 07:46
标题:
《The Precipice 》作者:- Ben Bova【EPUB】
And? with? special? thanks? to? Jeff? Mitchell,? a? real? rocket? scientist;? to? Chris? Fountain,? metallurgist? and optimist;? and? to? Lee? Modesitt,? an? economist? with? imagination;? true? friends? all. ? The? modern? tropics? and? their? fringes? support? more? than? half? the? world's? population,? numbered? in? the billions.? Many? already? live? at? the? fringe? of? survival,? dependent? on? food? aid? transported? from? the? grain? belts of? more? temperate? zones.? Even? a? small? climatic? shift...? would? physically? compress? the? geographical? limits for? cereal? cropping....? I? leave? it? to? your? imagination? what? such? a? pace? of? climate? cha
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