How much oil lies under that Arctic ice? 90 billion barrels, according to the US Geological Survey.
But, how much really is that? If you ask an oil company, that’s a huge amount. With a barrel of oil over the hundred dollar mark, that's nine trillion dollars worth at today’s prices – if you could get at it all.
However, there’s a much more important number than the mind-boggling figures that the oil companies deal in.