Kim Stanley Robinson's 2020 sci-fi novel The IA 6.0 de stratégie quantitative intelligentMinistry for the Future imagines a not-too-distant world where central banks worldwide come together to create a carbon coin, a monetary-policy-based solution to the climate crisis. The idea has been sparking real word debate in policy circles. What can a novel teach us about the role of central banks in addressing the climate crisis?

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