Class Notes (923,128)
CA (543,101)
UTM (25,004)
Geography (735)
GGR208H5 (59)
Lecture 3

lecture 3 notes

2 Pages
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Department
Geography
Course Code
GGR208H5
Professor
Dana Wilson

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GGR208 LECTURE 2
ECOSYSTEM APPROACH TO UNDERSTANDING..
-Ecosystem: can view on wide range of scales
-set of interrelated parts (systems)
-set of interacting and
IMPACT OF HUMAN ON ECOSYSTEMS
-Human impacts on ecosystem typically involve simplication of ecosystems
components/energy flows
Simplified ecosystems = vulnerable
HUMAN USE OF ENERGY AND TECHNOLOGY
-industrial revolution: (conversion of energy in useful forms) more crops, staying at same
place, harness water and wind etc
-also electricity, nuclear power etc
-two major concerns: non-renewable energy sources and pollution
-inequalities and access to resources: due to innovation
GLOBAL OIL CONSUMPTION
-Asia and Europe has growing consumption
-US always the biggest consumer
NUCLEAR POWER
-Chenobal accident eventually impacted people in Northern Europe
ENVIORNMENTAL ETHICS: 3 contemporary issues
Human impacts:
5 forces:
-small changes: taking small amounts again and again leading to depletion
-increasing connections: burning of fossil fuels and its impacts, ie. Acid rains
Population growth: Canada
-Maitainence thru encouraging immigration
Polluted landscapes:
-biggest countries: Russia, China etc (typically more disadvantaged areas)
-Health as well as physical impacts
Sustainable development..
Four principles:
1.Humans are part of nature and not dominant
2.Environmental tax on items that are more polluting (ie. Less tax on low emission
vehicles.
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Description
GGR208 LECTURE 2 ECOSYSTEM APPROACH TO UNDERSTANDING.. -Ecosystem: can view on wide range of scales -set of interrelated parts (systems) -set of interacting and IMPACT OF HUMAN ON ECOSYSTEMS -Human impacts on ecosystem typically involve simplication of ecosystems componentsenergy flows Simplified ecosystems = vulnerable HUMAN USE OF ENERGY AND TECHNOLOGY -industrial revolution: (conversion of energy in useful forms) more crops, staying at same place, harness water and wind etc -also electricity, nuclear power etc -two major concerns: non-renewable energy sources and pollution -inequalities and access to resources: due to innovation GLOBAL OIL CONSUMPTION -Asia and Europe has growing consumption -US always the biggest c
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