I know that, I say that from the angle that America (I apologise for saying this because it's kinda a "double edged sword") likes to play "World Police"
Being right next door to america, with our current Harper goverment, I'm sure America would try to push the laws as a "standard" that their allies must apply to try and prevent offshore mining.

Fwiw, I am personally biased Against the USA's Goverment