National Geographic: The oil-sands industry in Alberta has a problem: It's capable of producing more oil than it can get to market. It has tried building new pipelines south into the United States-the famous Keystone XL project-and west to British Columbia. But both projects are stalled and face stiff opposition. Now a battle is heating up over the latest proposal: a 2,858-mile-long pipeline to Canada's east coast.
TransCanada, the same company that wants to build Keystone XL, says it plans to seek Canadian government...