Donald Trump's trade war has revived calls for the building of east-west pipelines within Canada, as a way for the country to unleash its natural resources and reduce its dependence on the U.S. as its key trading partner.

But do the economics of building new pipelines — or the logistics, or the environmental realities — actually make sense here? And what are the parties actually saying about them?

Today we're speaking to Andrew Leach, an energy and environmental economist and an Associate Professor at the Alberta School of Business at the University of Alberta.

For transcripts of Front Burner, please visit: https://www.cbc.ca/radio/frontburner/transcripts