A Canadian ecologist warns that lesions on fish living downstream of Alberta's oil sands resemble those on Gulf fish after the BP oil spill. ->
Oil spills around or near residential areas are uncommon. But when they happen, they can be expensive and devastating. ->
Residual contamination from the Deepwater Horizon Oil Spill is still killing dolphins, sea turtles and other marine life in record numbers. ->
Salt Lake City's beaver benefactors continue to fight the effects of being doused in diesel, but they are making progress. Sadly, the beavers may have been orphaned by the 8,000-gallons of diesel fuel spilled by a Chevron pipeline. ->
Oceanographers are trying to solve a Deepwater Horizon oil spill mystery. ->
Two benevolent beavers may have saved the water supply of Salt Lake City, Utah from contamination. ->
The retreat of Alaska's Columbia Glacier may halt by 2020 after climate change has melted 15 miles of the glacier, relative to its size in 1794.
Two BP employees are charged with manslaughter and the oil company will pay $4 billion in penalties.
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