Sorry, we have not watched this yet.
The Nature of Things: Season 50, Episode 11 - Tipping Point: The Age of the Oil Sands (2011)
Released: January 27, 2011
Tipping Point: The Age of the Oil Sands is a two-hour visual tour de force, taking viewers inside the David and Goliath struggle playing out within one of the most compelling environmental issues of our time
