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1a. What three factor model is used for representing the impact on environment?
What is the fourth factor that could be added to this? Give a simple explanation for each factor
and describe what it means in terms of human impacts on the environment.
1b. How does poverty and affluence affect the environment?
Solution
Answer= three factor model is used for representing the impact on environment
Environmentalimpact is the product of 3 factors population (p) ,Affluence(A) & Technology(T)
1] population= means total number of peoples
The worlds population has exploded since the start of 20 Th century
to support more people it will be necessary to expand living areas which could result in clearing
of more land for houses
There will be growing need for resources such as water , food & fuel
providing the basic needs will result in depletion in natural resources & increase in greenhouse
gas emissions that are detrimental to environments
2] Affluence = that is wealth
Affluence is the average consumption rate of individuals within the population
As with population the consumption or affluence increases which affects on environment
example - if a society becomes more affluent as in the case of some developing countries like
India & China there is increased consumption & natural resources
3] Technology = Refers to the energy resources needed to meet consumption need
T represents level of efficiency of energy resources used & how theses sources impact on
environment
T variable can be reduced by using more efficient products such as high efficiency light bulbs etc
1a] Effect of poverty & Affluence on environment=
poverty impacts the environment negatively
poverty means unable to meet basic needs
their focus is to obtaining the basic needs from environment for short term survival
they deplete or destroy the forests ,rivers ,fields & soil
Affluence= Affect environment both positively & negatively
negative effects are greater than proverty
people that live in well developed countries like Canada , India ,US,
such a lifestyle leads to unnecessory depletion of resources

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1a. What three factor model is used for representing the impact on e.pdf

  • 1. 1a. What three factor model is used for representing the impact on environment? What is the fourth factor that could be added to this? Give a simple explanation for each factor and describe what it means in terms of human impacts on the environment. 1b. How does poverty and affluence affect the environment? Solution Answer= three factor model is used for representing the impact on environment Environmentalimpact is the product of 3 factors population (p) ,Affluence(A) & Technology(T) 1] population= means total number of peoples The worlds population has exploded since the start of 20 Th century to support more people it will be necessary to expand living areas which could result in clearing of more land for houses There will be growing need for resources such as water , food & fuel providing the basic needs will result in depletion in natural resources & increase in greenhouse gas emissions that are detrimental to environments 2] Affluence = that is wealth Affluence is the average consumption rate of individuals within the population As with population the consumption or affluence increases which affects on environment example - if a society becomes more affluent as in the case of some developing countries like India & China there is increased consumption & natural resources 3] Technology = Refers to the energy resources needed to meet consumption need T represents level of efficiency of energy resources used & how theses sources impact on environment T variable can be reduced by using more efficient products such as high efficiency light bulbs etc 1a] Effect of poverty & Affluence on environment= poverty impacts the environment negatively poverty means unable to meet basic needs their focus is to obtaining the basic needs from environment for short term survival they deplete or destroy the forests ,rivers ,fields & soil Affluence= Affect environment both positively & negatively negative effects are greater than proverty people that live in well developed countries like Canada , India ,US, such a lifestyle leads to unnecessory depletion of resources