@BBCRBlack via Twitter
'Cleaner' #tarsands methods produce 3x emissions, reports Calgary Herald from FoI'd document @billmckibben http://t.co/4jUkCZtV
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Article written by Jonathan Amos
Jonathan Amos
Science correspondent
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Article written by Richard Black
Richard Black
Environment correspondent
'Cleaner' #tarsands methods produce 3x emissions, reports Calgary Herald from FoI'd document @billmckibben http://t.co/4jUkCZtV
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