Hint: All polluters should pay so all of each economy (there are about 200) is covered by carbon pricing.
Prices should be about $200 a ton because the world needs emissions to plunge about 50% in 8 years, according to scientists and economists, to keep temperatures from rising more than 1.5C (warning — global average temperatures have almost reached that level already).
On social media:

[…] This single chart shows how completely inadequate the world is — when making polluters pay […]
[…] Source: https://carrzee.org/2022/12/29/carbon-pricing/ […]