Carbon price (wiki)

https://en.wikipedia.org/wiki/Carbon_price

 

WHAT IS CARBON PRICING?

https://www.carbonpricingleadership.org/what/

 

Carbon Pricing in Canada

https://www.thecanadianencyclopedia.ca/en/article/carbon-pricing-in-canada

 

These Countries Have Prices on Carbon. Are They Working? (April 2019)

https://www.nytimes.com/interactive/2019/04/02/climate/pricing-carbon-emissions.html