An excellent piece about what getting oil from tar sands really means. Some highlights
"The extraction of the oil requires heat, and thus the burning of vast amounts of natural gas - effectively one barrel of gas to extract two of crude"
"The oil sands excavations are changing the surface of the planet. The black mines can now be seen from space."
"Two barrels of water are required to extract one barrel of oil; every day as much water is taken from the Athabasca river as would serve a city of a million people."
Now, that sounds like a solution. Right?
The full story is at http://www.guardian.co.uk/environment/2007/oct/30/energy.oilandpetrol
The real answer is the Energy Revolution.