Globe and Mail: The environmental battle over Alberta’s oil sands is going global, forcing the industry to respond to new attacks on its record and putting fresh pressure on Ottawa. The Calgary-based industry is accustomed to defending its image in North America, but it now faces a multifront war. That growing global opposition is highlighted by its role in today’s federal election in Norway, where the state-owned oil company’s plans for the oil sands have sparked controversy. As well, a …