Sure, if you can somehow get all producers on board, that would be the simplest. If you cannot get all producers to play by the same rules, you are going to hav

Sure, if you can somehow get all producers on board, that would be the simplest. If you cannot get all producers to play by the same rules, you are going to have to examine the consumption side as well. So far the nations of the world have not shown such a unified stance. Most realistic and effective solution will be to get the biggest producers and consumers to all agree to join the system, whilst at the same time agreeing to place tarrifs on trade with those that won't join.