Carbon Costs Coalition

A group of state legislators from 12 states devoted to accurately accounting for the cost of carbon pollution.

EIA carbon tax modeling

Modeled a carbon price of $25 per metric ton, increasing 5% per year.

IWG Social Cost of Carbon

The Interagency Working Group Social Cost of Carbon’s 2013 update gave four updated SCC estimates for 2020 at $12, $43, $64, and $128 (2007$) based on different integrated assessment models.

French carbon tax

The Law on Energy Transition to Green Growth set a trajectory for the tax rate to gradually increase until 2030, up to the rate of 100 €/tCO2e.

Japanese carbon tax

Tax base is the amount of CO2 emissions from fossil fuel use (covering 70% of Japan’s GHG emissions), with some exemptions for agriculture, public transportation, petrochemical industries, and coal-fired power plants in Okinawa.

Mexico’s carbon tax and nascent emissions trading scheme

Established a carbon tax in 2013 for those sources whose emissions exceed the emissions of natural gas, with the value of the tax capped at 3%, and established MexiCO2, a voluntary exchange that provides carbon credits.

Iceland carbon tax

Tax was extended indefinitely in 2012 with extended coverage, and indexing of the tax rate to 100% of the EU ETS price.

Irish carbon tax

A carbon tax on all residential and commercial use of gas and oil not covered by the EU ETS.