Recent years have seen renewed and growing interest in carbon taxes that put a price on greenhouse gas (GHG) emissions. This resurgence in interest has come as over three-quarters of the world have developed Nationally Determined Contributions under the Paris Agreement and are looking for cost-effective ways to achieve these emission reduction goals. It has also developed alongside a gradual shift toward taxes on goods and services, with many jurisdictions seeking to use the tax system to achieve greater economic efficiency and to pursue a range of policy goals beyond raising revenue.