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Note: individual initiatives can only be selected in the MAP tab

Data last updated April, 01 2017

Note: Carbon pricing initiatives are considered "scheduled for implementation" once they have been formally adopted through legislation and have an official, planned start date. 
Carbon pricing initiatives are considered “under consideration” if the government has announced its intention to work towards the implementation of a carbon pricing initiative and this has been formally confirmed by official government sources. 
Jurisdictions that only mention carbon pricing in their NDCs are not included as different interpretations of the NDC text are possible. The carbon pricing initiatives have been classified in ETSs and carbon taxes according to how they operate technically. ETS does not only refer to cap-and-trade systems, but also baseline-and-credit systems such as in British Columbia and baseline-and-offset systems such as in Australia. Carbon pricing has evolved over the years and initiatives do not necessarily follow the two categories in a strict sense. Due to the dynamic approach to continuously improve data quality, changes to the map do not only reflect new developments, but also corrections following new information from official government sources.

 

Data last updated April, 01 2017

Note: Only the introduction or removal of an ETS or carbon tax is shown. Emissions are given as a share of global GHG emissions in 2012. Annual changes in global, regional, national, and subnational GHG emissions are not shown in the graph. 
If emissions that are covered by multiple carbon pricing initiatives shown in the graph, these are attributed to the carbon pricing initiative that was introduced first. Due to the dynamic approach to continuously improve data quality, changes to the graph do not only reflect new developments, but also corrections following new information from official government sources.

Data last updated April, 01 2017

Note: Nominal prices on  
Prices are not necessarily comparable between carbon pricing initiatives because of differences in the number of sectors covered and allocation methods applied, specific exemptions, and different compensation methods. Due to the dynamic approach to continuously improve data quality and fluctuating exchange rates, data of different years may not always be comparable.

Data last updated April, 01 2017

Note: The total value of the ETS markets was estimated by multiplying each ETS’s annual allowance volume for  , or the most recent yearly volume data, with the price of the emission unit on April, 01  . The total value for carbon taxes was derived from official government budgets for   or the latest year available. Where the allowance volume (for an ETS) or budget information (for a carbon tax) was unavailable, the value of the carbon pricing initiative was calculated by multiplying the GHG emissions covered with the nominal carbon price on April, 01  . For the initiatives that show a value of zero, this means that insufficient data was available to calculate their value. Due to the dynamic approach to continuously improve data quality and fluctuating exchange rates, data of different years may not always be comparable.

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