2 points
Realistically, you couple domestic regulation with a carbon tariff, assessing incoming goods a fee based on differential pollution in their country of origin.
2 points
Ok. You did that. China is still selling to other countries and polluting all over the place.
Now what?
Somalia is still burning our recycling. What about that?
For every hole you plug, there are 10 more. But sure, we can call agree on this one thing even though the entire history of humanity has basically been “I disagree, let’s fight a war over it”.