ss6g7a how have environmental issues affected canada?
TRANSCRIPT
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SS6G7a
How have environmental issues affected
Canada?
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Activating StrategyLook at the map to
the left showing the natural resources found in Canada.
With a seat partner, identify the type of
environmental issues that Canada might
experience.
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Environmental Issues in Canada
• Acid Rain• Pollution of the Great Lakes• Extraction & Use of Natural
Resources
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As we discuss the Environmental Issues in Canada, we will summarize the
information on a graphic organizer.
Extraction & Use of Natural Resources from
the Canadian Shield
Pollution of Great Lakes
Acid Rain
Effects
Causes
__________ are valuable __________ and power many industries. Extracting minerals can damage the ___________. ___________ gets into the ground and water. Plants and animals lose their place to live. Emissions cause ____________.
Trees are harvested as _________ to make wood and paper products. Cutting down a lot of trees in the same area (_________________) can cause ____________ and ____________ into rivers. New trees can be planted but _____________________. The government is trying to help by restoring _________________ and setting aside land to be ___________.
Environmental Issues In Canada
__________ on the Canadian Shield produce hydroelectricity. This has caused problems by creating _____, __________, and change in river flow. As a result, there is ________, _________, and animals lose their place to live and source of food.
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Acid RainWhat is acid rain?
http://glencoe.mcgraw-hill.com/sites/dl/free/0078778026/161752/00053411.html
http://www.youtube.com/watch?v=JRvvPOAWMAo
http://www.youtube.com/watch?v=HE6Y0iEuXMQ
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Causes of Acid Rainin Canada
Polluted gases released into the air from:
• Emissions from power plants that burn fossil fuels• Emissions from factories that
process minerals mined in Canada• Emissions from cars
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Effects of Acid Rainin Canada
• Polluted farmland• Dying trees• Dead plants and animals in lakes• Damage to buildings and statues
(especially made of granite, marble, and limestone)• Lower profits for industries
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Pollution of the Great Lakes
GreatLakes
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Pollution of the Great Lakes
• Polluted by waste from industries, sewage treatment plants, and run-off (pesticides, fertilizers, oil, grease, salt from highways)
• Acid rain is killing the plants and fish• U.S. and Canada are both working to control
industry, change to gas powered stations instead of coal-powered, add lime to help neutralize the effects of acid rain
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DistributedSummarizing
If you lived in Canada, identify ways in which you might be able to help reduce the amount of air
pollution and acid rain in the environment.
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Extraction & Use of Natural Resources
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Extracting Minerals from the Canadian Shield
• Minerals from the Canadian Shield are valuable exports and power many industries
• Extracting minerals can cause damage the environment:– Toxic waste gets into the ground and water– Plants and animals lose their place to live– Emissions cause acid rain
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Use of Rivers on the Canadian Shield
• Rivers on the Canadian Shield produce hydroelectricity (electricity created by flowing water)
• Hydroelectricity has caused problems because of the creation of dams, reservoirs, and change in river flow.
• As a result, there is flooding, erosion, and animals lost their place to live and their source of food.
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Extracting Timber from the
Canadian Shield• Trees are harvested as timber to make wood and paper
products• Cutting down a lot of trees in the same area (clear-
cutting) can cause flooding and erosion into rivers• New trees can be planted but take many years to grow• The government is trying to help by restoring damaged
areas and setting aside land to be protected
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Distributed Summarizing
Do you think the benefits of extracting Canada’s natural resources outweigh the harmful effects of extracting its
natural resources? Why or why not?
Share your thoughts with a partner.
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Summarizing Strategy
Select one of the following tasks to demonstrate your understanding of the environmental issues in Canada:
• Make a bumper sticker illustrating an environmental issue affecting Canada (must include at least one environmental concern and its causes not general statements such as Save Canada’s environment)
• Make a Recipe Card about environmental issues in Canada• Write an editorial to a newspaper describing an environmental
issue affecting Canada
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Emission – the production and release of something
Emission
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Run-off – leave or escape from a place
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Extraction – the action of taking something out
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