Scientific American, Volum 235Munn & Company, 1976 |
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Side 31
... population of 210 million in 1973 , some 23 million were poor ; call the remaining 187 million mid- dle - class . Let us try to find indexes that will provide a corresponding number for other countries . Passenger cars in use might be ...
... population of 210 million in 1973 , some 23 million were poor ; call the remaining 187 million mid- dle - class . Let us try to find indexes that will provide a corresponding number for other countries . Passenger cars in use might be ...
Side 32
... population . In fact , however , energy consumption rose to 2.55 billion tons in 1973. The increment ( light col- or ) due to a rise in per capita consumption stemming from affluence was larger than the incre- ment ( dark color ) ...
... population . In fact , however , energy consumption rose to 2.55 billion tons in 1973. The increment ( light col- or ) due to a rise in per capita consumption stemming from affluence was larger than the incre- ment ( dark color ) ...
Side 67
... population of the society goes up . Evidence that the demographic transition is at work appears in a re- port , World Population : 1975 , published by the Bureau of the Census of the U.S. Department of Commerce . The data were assembled ...
... population of the society goes up . Evidence that the demographic transition is at work appears in a re- port , World Population : 1975 , published by the Bureau of the Census of the U.S. Department of Commerce . The data were assembled ...
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