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Environmental Issues of Canada Prezi

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Sean Simpson

on 27 February 2014

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Transcript of Environmental Issues of Canada Prezi

Write a 3-5 sentence answer to the following question:

“Can Canada still have industry without damaging its environment? If so, what suggestions on environmental conservation would you give?”

Humans and the Environment BrainPOP Video
Ticket Out
Government and industry are working together to manage use of the forests:
Hundreds of millions of
trees are re-planted
each year
More money is spent on managing and protecting the forests
More money is spent to
protect wildlife & their habitats
Timber Industry – The Solution
Blasting & digging
with heavy machinery
around mines
to be damaged
and the environment is often ruined

Slag, or leftover rock from the smelting process, is often dumped in any convenient place

Mining releases harmful chemicals into the air and water
Extraction and Use of Resources
on the Canadian Shield
The Canadian Shield
1971: Great Lakes Water Quality Agreement was signed by US and Canada (renewed in 2002)

Goal was to restore the lakes’ environment and prevent further damage
US and Canada working together to reduce amount of chemicals and human wastes dumped in lakes
Pollution of the Great Lakes –
The Solution
Canada’s government has done several things to reduce acid rain and air pollution:
They are building
factories that don’t pollute the air
Laws have been passed that require
cars to produce less pollution
They are
encouraging people to walk or ride bikes/buses
, rather than driving
Acid Rain – The Solution
Southern Canada (near the
Great Lakes region) has the highest levels of acid rain

50-75% of the pollution
that causes acid rain actually
comes from the US
Wind patterns move the pollution from the US north into Canada
Acid Rain
1. Acid Rain

2. Pollution of the Great Lakes

3. Extraction and Use of Natural Resources on the Canadian Shield

4. Timber Industry in Canada
Note Topics for Environmental Issues in Canada
The student will discuss environmental issues in Canada.
Explain the major environmental concerns of Canada regarding acid rain and pollution of the Great Lakes, the extraction and use of natural resources on the Canadian Shield, and timber resources.
IB AoI: Environments
- Economic forces in Canada have created environmental concerns in the region.

Significant Concept:
Humans, their society, and the environment affect each other.
Essential Question:
How does economic development in Canada contribute to environmental concerns?
Learner Profile Foci:
Thinker, Caring, Inquirer
Approach to Learning Foci:
Communicating, Problem Solving and Thinking

Environmental Concerns of Canada
Citizens are concerned that
logging is destroying the forests

Most timber companies use
clear-cutting which is when a company cuts all the trees in an area, leaving large treeless gaps in the forest.
Reduces water quality, causes erosion, & kills animals’ habitats

Heavy machinery leaves the forest floor compacted
Makes it hard for new growth to start
Timber Industry
With almost half its land covered in forests,
Canada is a leading producer of timber products
products include lumber, paper, plywood, and wood pulp

The major timber-producing provinces include British Columbia, Quebec, and Ontario.
Timber Industry
Canada’s government has made new rules about mining:
Some rules
reduce the amount of pollution
allowed in waterways
Government hopes to keep its fish alive and safe to eat
Extraction of Resources -The Solution
Canadian Shield is a large area of thin, rocky soil
that surrounds the Hudson Bay
Beneath the soil are some of
Canada’s most valuable resources
: (gold, silver, copper, zinc, lead, iron ore, uranium, & nickel)

Very important to Canada’s economy (mineral deposits and jobs)
1.5 million people make their living in the mining industry in this area
Natural Resources on the Canadian Shield
Pollution of the Great Lakes
1970s: Great Lakes had high levels of water pollution
Fishing was unsafe; tons of animals and plants were harmed or killed
around the region
used the lakes as a place to dump wastes
Factories also used the chemical phosphorus when producing things like toothpaste, fertilizer, pesticides, detergents, etc.
Really bad for lakes because it caused an rapid increase in algae
Pollution of the Great Lakes
Acid Rain
factories, cars, & trucks
release chemicals that pollute the air
Carbon dioxide, sulfur dioxide and nitrogen oxide
 mixes with water molecules in clouds and turn the water acidic

High levels of acid in rain can
damage or kill trees
and pollute lakes enough to kill

Acid rain can also
damage houses, buildings, and statues
Acid Rain
Triforce of Notes
Acid Rain
Full transcript