It was meant to be an express line from North America’s largest proven oil reserve to its biggest refining center and to deepen the bond between Canada and the United States as petroleum partners. And it would have stood—or rather, lain—four feet underground, as a 1,700-mile steel monument to humanity’s triumph over the forces that … Continue reading Requiem for a Pipeline: Keystone XL Transformed the Environmental Movement and Shifted the Debate over Energy and Climate