Actor and activist Daryl Hannah took on one of the oilsands' biggest boosters Wednesday, debating the founder of a website devoted to defending Canada's oil industry.

Hannah was arrested this week for her protest in Washington, D.C., against extending TransCanada's Keystone XL pipeline.

U.S. Secretary of State Hillary Clinton has until the end of the year to decide whether to approve the extension.

Hannah and Alykhan Velshi, founder of Ethicaloil.org, spoke to Evan Solomon on CBC's Power & Politics. Watch the full interview in the video clip above, which concludes with an interview with Natural Resources Minister Joe Oliver.