who was the first theorist to start worrying about population growth? - Thomas Maulthus- idea of
resource availability coming up with the human populations. he can measure resources and see they are
growing in a constant time. human populations were growing at a exponential fashion. Malthusian over
population where you run out of resources.
Garret Hardin - he is saying that we cannot keep growing, resources aren't always available to us.
population growth affects - renewable resources, non-renewable resources, pollution, social and
economic issues.
How we measure population? - birth + immigration- death+ emigration
how to calculate rate of natural increase - 1.2 % that's how fast the world is growing!!!
Total fertility rate - 2.6% the number of children a women would have on average.
veir haulst - mathematics guy who came out with the vaihaulst model that illustrates carrying capacity-
the enforces of environmental resistance is pushing down on the population growth.
why is exponential growth so fast? - rate steady, annual base number rises. current doubling population
time is 54 years or so. from 1600- today (exponential, j-shaped curve).
why has the intrinsic rate of growth fallen? - china and brazil controlled their birth rates.
MDC,LDC - MDC-Canada, DR higher, lesser pop, poplaton doubling time higher, pop. over age 65, avg lif
expectancy higher. LDC-Nejere, BR higher, greater pop, natural increase higher, TFR higher, Pop. under
age of 15 Infant death/1000 lives birth- the more or likely you will lose a kid that are susceptible to
diseases. might have a couple more to be safe.
, Demographic transition - death rates fell first then birth rates started to fall away too back then. the
growth rate is between the birth and death rate. death rate fell because of medicine, nutrition, etc.,
birth rates slower to fall it is society's through time, it shows historical outlook on the whole deal. we
think of our self in the post industry era.
which is the most influential In shaping the birth rate? - cultural norms, religious beliefs, educational and
economic opportunity, infant mortality rate, and cost of raising children properly, urbanization,
women's educational and employment opportunities, average age of marriage.
In the 22 Arab states the growth rate is - its greater than the average for the lesser developed countries.
>1.2% faster growing than the world growing. Chinas most populous than India than US.
Ghost Acerage -
Role of Immagration - US faster growing because of this47% of the yearly increase.
population problems - a global concern
optimist - a person who believes that this world is the best of all possible worlds or that good must
ultimately prevail over evil.
pessimist - a person who believes that this world is as bad as it could be or that evil will ultimately
prevail over good.
moderates - make or become less extreme, intense, rigorous, or violent.
Brownfields - abandoned sites in our cities that needs development.
overpopulation - too many people for the available resources and too many people for the planets
waste assimilation/detoxification mechanisms.
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