It's considered to be the largest fire evacuation in Alberta history. The entire city of Fort McMurray, in the heart of the province's oil sands region, was evacuated due to a raging wildfire.
"No company will continue to be successful if their integrity and their reputation is questioned," said the U.S. Secretary of the Interior Sally Jewell.
The melt came two to three weeks earlier this season. What does that mean for flooding, fire, and other extreme weather events linked to climate change?
The documents, a collection of archived internal corporate reports donated to the Calgary museum, contradict what the company, Imperial Oil, had been telling the public for years about climate change.