canadian resources many $5 bills contained images of our resources
DESCRIPTION
Resources Water Soil Minerals Fossil Fuels (oil, natural gas) Forests Air? Fish & Wildlife?TRANSCRIPT
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Canadian Resources
Many $5 Bills Contained Images Of Our Resources
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Resources
What are some of our resources here in Canada?
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Resources
Water Soil Minerals Fossil Fuels (oil, natural gas) Forests Air? Fish & Wildlife?
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Renewable Resources
Which of our resources are renewable?
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Non-Renewable Resources
• Which of our resources are not renewable?
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Sustainability
What is “sustainability”?
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Sustainability
An approach to development that meets the needs of the present without negatively affecting the ability of future generations to meet their needs
Do you agree with this definition?
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Sustainability
Matching periodic harvest with natural growth
Do you agree with this definition?
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Sustainability
Consumption rates do not exceed the rates of regeneration
Do you agree with this definition?
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Sustainability
Which resources do we harvest in a sustainable way?
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Sustainability
Which resources do we harvest in a sustainable way?
How is this different from a renewable resource?
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Concept Check
• Ecological Footprint• Product Life Cycle• Renewable Resource• Non-Renewable Resource• Sustainability
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More About Water!
• We are number two in world water wealth … and number two in world water consumption. So what does non-sustainable use of water look like? When does water become a non-renewable resource?
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Case Study: The Aral Sea
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Case Study: The Aral Sea
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Case Study: The Aral Sea
• Other side effects include the distribution of 200,00 tons of salt onto the farmlands surrounding the Aral sea. The winds drop this salt anywhere within a 300 km radius, reducing the fertility of the farms which it feeds
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Agriculture
• Nitrogen extraction in the form of plant material requires the addition of nitrogen to the soil in the form of fertilizer.
• This fertilizer can then run off into streams and into our drinking water … or
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Algae Blooms
• Excess nitrogen can cause algae blooms reducing drinking quality and ability to support life
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Agriculture
• What does sustainable agriculture look like?
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Sustainable Agriculture
Contour Agriculture No-Till agriculture On-Site Nitrogen Sources Crop Rotation
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Intermission
• Before going to the wiki page for the reading activity we are going to review the terminology and concepts we have learned by playing a game.