Re-air and update: Carbon pricing

What exactly is a carbon price, and how does it work? To prepare for a new episode about climate economics, we’re re-airing this season one episode in which MIT professor Christopher Knittel explains economists’ favorite tool for addressing climate change. Professor Knittel also returns for a special update on big developments in the world of carbon pricing, from Canada, China, and the European Union. For a deeper dive and additional resources related to this episode, visit: For more episodes of Ask MIT Climate, check out askmitclimate.org . Plus, find us on Instagram , TikTok , and YouTube for outtakes, bonus content, and more climate knowledge from MIT. As always, we love hearing from our listeners; email us at askmitclimate@mit.edu .

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Re-air and update: Carbon pricing is an episode from TILclimate by MIT Climate Project.

This episode is 00:15:06 long.

This episode was published on Apr 9, 2026.

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