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Greenhouse Effect
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Greenhouse Effect
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Is the Greenhouse Effect good or bad?
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Greenhouse Effect
3
EXCESSIVE greenhouse effect may lead to global warming and climate change.
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Greenhouse Effect
4
When do cars "idle?"
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Greenhouse Effect
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If every driver in Canada avoided idling for 10 minutes a day:
=taking 2 600 000 vehicles off the road
each driver would save 83 Liters of fuel
reduce GHG emissions by 3 700 000t
(2 000 000 NHLsized hockey rinks)
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Greenhouse Effect
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Energy Resources
Non-renewable energy source:
Renewable energy source:
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Greenhouse Effect
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Energy Resources
Non-renewable energy source: will eventually run out
Renewable energy source: will never run out
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Greenhouse Effect
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Renewable or NonRenewable?
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Greenhouse Effect
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Energy Resources
Wind Energy: the energy drawn from wind
windmills: wind energy ________ energy
wind turbines: wind energy electricity
Advantages: 1. renewable energy resource
2. does not produce any greenhouse gases
Disadvantages:
1. towers can ruin the beauty of the landscape
2. impossible to predict how fast the wind will blow.
3. wind energy cannot be stored (needs a backup)