World Dynamics1971 |
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Page 2
... grow more food , and occupy more land . But more food , material goods , and land tend to encourage and permit larger populations . The growth in population , with its attendant industrialization and pollution , comes from circular ...
... grow more food , and occupy more land . But more food , material goods , and land tend to encourage and permit larger populations . The growth in population , with its attendant industrialization and pollution , comes from circular ...
Page 70
... growing rapidly and placing ever greater demands on world resources . Many of those resources come from the presently ... grow out of pressures from resource shortage ? In Figure 4-1 , pollution peaks in the year 2060 at some 6 times the ...
... growing rapidly and placing ever greater demands on world resources . Many of those resources come from the presently ... grow out of pressures from resource shortage ? In Figure 4-1 , pollution peaks in the year 2060 at some 6 times the ...
Page 75
... grow until they generate pollution at a rate beyond that which the environment can dissipate . When the pollution overloading occurs , pollution climbs steeply and continues to grow until it ex- tinguishes the pollution - creating ...
... grow until they generate pollution at a rate beyond that which the environment can dissipate . When the pollution overloading occurs , pollution climbs steeply and continues to grow until it ex- tinguishes the pollution - creating ...
Contents
Introduction | 1 |
Structure of the World System | 17 |
A World Model Structure and Assumptions | 31 |
Copyright | |
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1970 conditions accumulation agricultural land assumed assumptions behavior birth rate normal birth-control program BRFM BRMM BRN1 capital investment CAPITAL UNITS CAPITAL UNITS/PERSON CAPITAL-INVESTMENT DISCARD capital-investment multiplier capital-investment ratio CAPITAL-INVESTMENT-IN-AGRICULTURE FRACTION cause Chapter CIAF CIGN1 Club of Rome coefficient computer model crowding ratio curve death rate normal decline DRFM dynamic ECIR effect effective-capital-investment ratio equations equilibrium exponential growth food production food ratio food supply FPMT FRACTION/YEAR in-agriculture fraction increase industrialization INTERPOLATION limit LOGICAL FUNCTION material standard mental models MULTIPLIER DIMENSIONLESS natural resources natural-resource Natural-resource-usage rate negative loop NR=N NREM NREMT NRUN1 POLN1 POLAT POLCM pollution absorption pollution crisis pollution-absorption population and capital population density PRESENT ORIGINAL pressures ratio CIR RATIO DIMENSIONLESS result rise Section sector shortage social systems SQUARE KILOMETERS standard of living system levels TABHL TABLE LOOK TIME.K tion units per person UNITS/PERSON/YEAR UNITS/YEAR usage rate variable world model world population world system