What is the real risk posed to killer whales on the Southern B.C. coast from the new pipeline plan? It might not be what you think. Graham speaks with Professor Andrew Trites, the Director of the Marine Mammal Research Unit at the University of British Columbia.

<p>What is the real risk posed to killer whales on the Southern B.C. coast from the new pipeline plan? It might not be what you think. Graham speaks with Professor Andrew Trites, the Director of the Marine Mammal Research Unit at the University of British Columbia.</p>