ISO 1«0 140 tX9 10» 90 4» 



^smim' 



czaNfeny^*^ 



Figure 26 A. The Distribution of Civilization 



ItO 160 MO JZO lOO 



to 40 ZO O UO 46 60 So 300' iAO 240 ItC /A 



FiOTTSE 26 B. The Distribution of Human Energy on the Basis of Climate 



