I didn't see what percentage of green house gases made each year world wide come from the U.S
Me think we produce a lot less (80%+) than China does, let alone what the rest of the world makes
The last NASA study by them in 1990 I saw showed the air entering the U.S. on the west coast was 20% dirtier that it was when it left going towards Europe and the Scandinavian countries We clean up the atmosphere, we don't pollute it