Canada

1
Canada

• Environmental Problems

2
Acid Rain

• When sulfur dioxide, carbon dioxide and nitrogen
  mix with water
• Can kill plants, damage trees and pollute lakes
  and rivers

• Passed laws to limit pollution
• Factories that do not pollute the air
• Automobiles that pollute less
• 50 75 of pollution comes from the U.S.

3
Pollution of Great Lakes

• 1970s water pollution fishing unsafe other
  areas fish not alive
• 1972 Canada and U.S. agreed to reduce the
  amount of phosphorus
• Phosphorus causes algal bloom which kills plants
  and animals

4
Pollution of the Great Lakes

• Causes
• Factories dumping chemicals and human waste in
  lakes
• Effect
• Increase in phosphorous which leads to algal
  bloom that kills plants and fish

• Solution
• Great Lakes Water Quality Control
• Between U.S. and Canada
• Prevent further damage of Lakes

5
Canadas Forest

• Cover ½ of Canada
• Timber from the forests are used to make lumber,
  plywood and wood pulp
• Forests are important habitat for humans and
  animals

6
Destruction of Forests

• Causes
• Clear cutting the cutting down of all trees in
  the forest
• Heavy machinery damages forest floor
• Effect
• erosion
• loss of wildlife habitat

• Solution
• Government and Industry working to protect
  forests
• When trees are cut down seedlings are planted

7
Canadian Shield

• Large area that surrounds the Hudson Bay
• Holds Canadas most valuable resources - minerals

8
Destruction of the Canadian Shield

• Cause
• Blasting and digging with heavy machinery
• Dumping of slag and chemicals in forests, rivers
  and lakes
• Effect
• Polluted waterways
• Destruction of habitats

• Solution
• Laws created reducing the amount of pollution
  being dumped in waterways

9
Review

• Write a paragraph describing the environmental
  concerns found in Canada.