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Size: 767.28 KB
Language: en
Added: Nov 04, 2014
Slides: 8 pages
Slide Content
Human Population Growth and
Environmental Impacts
Presented by:
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Global population growth has increased over the past 100
years.
Human population is projected to increase from 6.7 billion
in 2006 to 9.2 billion by 2050.
Largest population increase in the globe is in India, China,
and Southeast Asia representing 60%.
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Increase in food demand
Affects global food production.
Some countries have experienced decline in
human population.
These include: Germany, Puerto Rico, Moldova,
Georgia, Bulgaria and Ukraine.
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Countries with human population growth decline
characterized by:
High death rates
Low birth rates
Rising emigration
Low immigration.
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Environmental Impacts of Population Growth
Overconsumption of resources depletes non-
renewable resources
Human populations emit wastes
Untreated sewage wastes and other pollutants
have a negative impact.
Disrupt the natural ecosystem.
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Environmental Impacts of Population Growth
Big societies consume more resources compared
to small ones,
Patterns of consumption and choices of
technology may result in more environmental
impacts compared to the number of people.
Environmental effects of human population
growth emerge from interactions between
national economic development and population.
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Issue of economic growth is related to the
environment
Wealthier nations aim at maintaining the quality
of their environment
Can afford cleaner services
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For more information on
Human Population Growth and
Environmental Impacts
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