text: Canada' CO2 contributions, when we discuss world reductions to slow global warming, are insignificant. If we went to zero emissions it wouldn't matter a wit to the total world reduction of GHGs. We cannot factor in oil exports because we do not burn them and they are factored in at the country that buys them -it's the burning of the oil and gas that produces GHGs.
  I hope that helps educate you a little more.