01 June, 2008 
GP04TFG 
★★★★★★★ (A) 
Air Pollution from the Alberta Tar Sands
25 June, 2008 
GP01QCV 
★★★★★★ (B) 
Toxic Wastewater at the Alberta Tar Sands
25 June, 2008 
GP01QCK 
★★★★★★ (B) 
Tailings pond at the Alberta Tar Sands
22 May, 2008 
GP01QC1 
★★★★★★ (B) 
Open Pit Mining at the Alberta Tar Sands
25 June, 2008 
GP01QD0 
★★★★ (E) 
Open-pit Mine at the Alberta Tar Sands
25 June, 2008 
GP01QCZ 
★★★★ (E) 
Suncor Production Facility at the Alberta Tar Sands
25 June, 2008 
GP01QCY 
★★★★ (E) 
Suncor Facility next to the Athabasca River at the Alberta Tar Sands
25 June, 2008 
GP01QCX 
★★★★ (E) 
Mildred Lake Facility at the Alberta Tar Sand.
25 June, 2008 
GP01QCW 
★★★★ (E) 
Sulfur Deposits, a By-Product of the Alberta Tar Sands
25 June, 2008 
GP01QCU 
★★★★ (E) 
Sulphur Deposits at the Alberta Tar Sands
25 June, 2008 
GP01QCT 
★★★★ (E) 
Air Pollution at the Alberta Tar Sands
25 June, 2008 
GP01QCS 
★★★★ (E) 
An Open-Pit Mine at the Alberta Tar Sands
25 June, 2008 
GP01QCR 
★★★★ (E) 
The Athabasca Lodge at the Alberta Tar Sands
25 June, 2008 
GP01QCQ 
★★★★ (E) 
Tailings Ponds at the Alberta Tar Sands
25 June, 2008 
GP01QCP 
★★★★ (E) 
Tailings Ponds at the Alberta Tar Sands
25 June, 2008 
GP01QCO 
★★★★ (E) 
Toxic Wastewater at the Alberta Tar Sands
25 June, 2008 
GP01QCN 
★★★★ (E) 
Oily Tailings Pond at the Alberta Tar Sands
25 June, 2008 
GP01QCM 
★★★★ (E) 
Toxic Wastewater at the Alberta Tar Sands
25 June, 2008 
GP01QCL 
★★★★ (E) 
A Tailings Pond at the Alberta Tar Sands
25 June, 2008 
GP01QCJ 
★★★★ (E) 
Tailings Pond at the Alberta Tar Sands
25 June, 2008 
GP01QCI 
★★★★ (E) 
A Tailings Pond at the Alberta Tar Sands
25 June, 2008 
GP01QCH 
★★★★ (E) 
Open-pit Mine at the Alberta Tar Sands
25 June, 2008 
GP01QCG 
★★★★ (E) 
Shoot 
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Alberta Tar Sands Petropolis 
GP0STO618 
01 June, 2008 
Syncrude Facility at the Alberta Tar Sands
23 May, 2008 
GP01QCF 
★★★★ (E) 
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