A small note: political subdivisions of countries are not highlighted in the map, but are mentioned in the source Wikipedia article. This would include the dozen or so US States that accede to the higher emission standards and phase-out plan of California.
A small note: political subdivisions of countries are not highlighted in the map, but are mentioned in the source Wikipedia article. This would include the dozen or so US States that accede to the higher emission standards and phase-out plan of California.