I agree entirly with what Sean in Ottawa has to say with the exception that even 15% support spread around the country can result in zip. Our FPTP system doesn't do well when support concentration is spread so thin.
Imagine if 2 million voters couldn't elect a single MP!
If over a million people can't get political representation, they should band together and get a legal team together and demand justice from the courts.
How many lawyers vote Green?
How many Supreme Court justices?