> France barely emits 0.1% of world's CO2
Sure, because they have 0.09% of the world's population.
> how is it fair to tax fuel for cars (note that air traffic is left alone)?
Both should be taxed.
Sure, because they have 0.09% of the world's population.
> how is it fair to tax fuel for cars (note that air traffic is left alone)?
Both should be taxed.
That's using some rounding, but it's reasonably close for discussion purposes.
Why does it matter their percentage of the world population? Are you defending that we should reward nations where people don't care about birth control and explode their demographics while arguing in favor of climate action?