Major carbon-pricing systems in Europe and North America involve multiple jurisdictions (countries or states). Individual jurisdictions often pursue additional initiatives—such as unilateral carbon price floors, legislation to phase out coal, aviation taxes or support programs for renewable...

The vast environmental subsidies that may be required for the transition to net-zero greenhouse gas emissions are starting to generate international trade and political frictions between the world's largest economies. This puts (supra-)national industrial decarbonisation efforts on a collision...

In the Kyoto Protocol to the UN Framework Convention on Climate Change, industrialized countries agreed on binding absolute targets for greenhouse gas emissions and on the admission of flexible market-economy instruments - such as emissions trading, joint implementation and the clean development...

Major carbon-pricing systems in Europe and North America involve multiple countries or states. Individual jurisdictions often pursue additional initiatives---such as unilateral carbon price floors, legislation to phase out coal, aviation taxes or support programs for renewable energy---that...