World dynamicsWright-Allen Press, 1971 - 142 pages |
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Page 75
... Reduced usage rate of natural resources leads to a pollution crisis . 2020.- ' PRESENT ORIGINAL NRUNI ' .2500 ' 1.000 ' 2060.- The effect of reducing the demand for natural resources is to take one layer of restraint off the growth ...
... Reduced usage rate of natural resources leads to a pollution crisis . 2020.- ' PRESENT ORIGINAL NRUNI ' .2500 ' 1.000 ' 2060.- The effect of reducing the demand for natural resources is to take one layer of restraint off the growth ...
Page 100
... reduced . Figure 5-4 shows the combined effect of a lowered usage of resources and a reduced birth rate . Natural - resource usage normal NRUN1 is reduced to 25 % of its original value , and birth rate normal BRN1 is reduced to 0.028 or ...
... reduced . Figure 5-4 shows the combined effect of a lowered usage of resources and a reduced birth rate . Natural - resource usage normal NRUN1 is reduced to 25 % of its original value , and birth rate normal BRN1 is reduced to 0.028 or ...
Page 120
... reduced along with the conditions in the previous two figures . The following are the changes from the original model that are combined in this last set of figures : Natural - resource - usage rate reduced 75 % Pollution generation ...
... reduced along with the conditions in the previous two figures . The following are the changes from the original model that are combined in this last set of figures : Natural - resource - usage rate reduced 75 % Pollution generation ...
Contents
Introduction | 1 |
Structure of the World System | 17 |
A World Model Structure and Assumptions | 31 |
Copyright | |
6 other sections not shown
Common terms and phrases
accumulation action actual agriculture appear assumed assumptions average become behavior billion birth rate capital investment Capital-investment cause Chapter consequences continue created crowding curve death rate decline defined depends described developed discard discussed dynamic effect environment equations equilibrium examine existing expect factor falling Figure food production food ratio forces fraction further future gives greater grow growth higher improve increase indicated industrialization influence initial land less limit LOGICAL FUNCTION loop lower material standard means mode MULTIPLIER DIMENSIONLESS natural resources natural-resource normal NREM NRUN1 occurs ORIGINAL peak person policies pollution crisis pollution ratio POLN1 POLR population possible present pressures probably processes raise rate normal reaches reduced relationship remaining represents result rise sector shortage shown shows social systems space standard of living stop structure suppressed TABLE taken tion units usage variable world system