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One cost of heedless industrial growth is a gradual polluting
and poisoning of the environment. Of the many dangers posed by
pollution, the greatest may be global warming. An unchecked rise in the
planet's atmospheric temperature threatens catastrophic geographic
changes including melting polar ice caps, rising sea levels, are parched
farmlands. As you steer your civilization in the industrial age, you
must manage your cities to minimize pollution and prevent global
warming.

Different kinds of poisoning may occur when nuclear weapons are
used or a nuclear reactor melts down.


INDUSTRIAL POLLUTION
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Every game turn there is a probability of pollution occurring
within the economic radius of each of your cities. The probability of
pollution OCCURRING depends on two factors: resources and population. The
most important factor is the number of resources the city generates. The
more that are generated, the higher the probability. Below a certain
level, there is no chance of pollution.

The city's population has no effect on pollution until you
acquire the advance of the Automobile. Thereafter, the population may
become a significant factor in the probability of pollution OCCURRING.

When there is a probability of pollution OCCURRING at a city,
smokestacks begin appearing on the city display. The number of stacks
indicates the probability.
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