Aida Edemariam on the environmental impact of the tar sands of Alberta in Canada | Environment | The Guardian

The vast tar sands of Alberta in Canada hold oil reserves six times the size of Saudi Arabia’s. But this ‘black gold’ is proving a mixed blessing for the frontier town of Fort McMurray, fuelling both prosperity and misery. As the social and environmental toll mounts, Aida Edemariam reports on the dark side of a boom town…