Now that President Trump has resurrected the hotly contested Keystone XL and Dakota Access Pipelines, here's what you need to know about their pasts — and their futures.

https://www.youtube.com/watch?v=fCPWjg-bXTY

Host: Rachel Becker

Director: Miriam Nielsen & Kimberly Mas

Audio: Andrew Marino

Special thanks to:

Mark A. Barteau

Director, Energy Institute

DTE Energy Professor of Advanced Energy Research;

Professor , Chemical Engineering

Monte Mills

Assistant Professor & Co-Director,

Margery Hunter Brown Indian Law Clinic

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