Too often climate policy discussion has been dominated by fantasy scenarios: either one where a single country acts alone; or one where the whole world moves in perfect harmony to a globally consistent carbon pricing system. Neither scenario matches the messy multi-speed reality.
The Paris Agreement reflects significant action worldwide that will intensify over time. But it also implies a patchwork world with widely varying national and regional policies. Any climate policy is going to have to work effectively within this context, managing risks to national trade competitiveness while lowering net national emissions. That challenge demands solutions that are implementable.
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