3rd Scenario
This is the second modification proposed by Jay
Forrester in his WORLD2 model.
The generation of pollution is reduced in 1970 to 25% of their
former value in order to reduce the effect of pollution on climate
and food production.
References:
- Cellier, F.E. (1991),
Continuous System Modeling, Springer-Verlag, New York, ISBN:
0-387-97502-0, 755p.
- Forrester, J.W. (1971),
World Dynamics, Pegasus Communications, 160p.
Simulate the model across 200 years, and plot the state
variables as well as the quality of life as functions of the
calendar years:

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