The biggest construction project on the planet is transforming a Canadian wilderness and costing lives. Welcome to the tar sands.

Tipping Point: The End of Oil

In an oil-scarce world, we know there are sacrifices to be made in the pursuit of energy. What no one expected was that a tiny Native community, living down the river from Canada's tar sands, would reach out to the world for help — and be heard.

Directed by Tom Radford