It's called taxation , sunk.
Make the users of pay more heavily the more they use.
Make the funds available to assist the emerging nations to avoid the huge "creation of shit" cycle we went through.
The higher taxes will make most folks move to more efficient vehicles or alternatives.
ah wait, "tax" is a four letter word to some leaders
Yeah, getting a party into power or saving a planet, we know where most politicians ahve their heads on THAT one
Shame nearly everyone BUT the most powerful on teh planet thought Kyoto was a reasonable satart along the path.......
"A woman without curves is like a road without bends, you might get to your destination quicker but the ride is boring as hell'