Some more facts about Canada & its oil sands:
These two videos show you how oil sands are extracted:
https://www.youtube.com/watch?v=c5XGcaR1tZg
https://www.youtube.com/watch?v=Sjia7BsP4Bw
This video documentary will open you eyes that oil sands should not be used to produce energy:
https://www.youtube.com/watch?v=61X4IQqnmd0
https://www.youtube.com/watch?v=V8m5PFuYRSI
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