Transborder pipelines are nothing new. There is a long history, forgive the pun, of such enterprises in North America. In fact, Canada has historically been a pipeline pioneer. Yet the Keystone XL project has attracted what is likely unprecedented environmental opposition for a transnational pipeline, including protests featuring celebrities and arrests outside of the White House. Perhaps this pipeline has become a potent symbol of wider dissatisfaction with our current petro-regimes and environmental approaches?