# Re-air and update: Carbon pricing Page: https://stenobird.com/podcast/ask-mit-climate-81054/re-air-and-update-carbon-pricing Text version: https://stenobird.com/podcast/ask-mit-climate-81054/re-air-and-update-carbon-pricing.md Podcast: [Ask MIT Climate](https://stenobird.com/podcast/ask-mit-climate-81054) Published: 2026-04-09T09:00:00+00:00 Episode link: http://askmitclimate.org Audio file: https://cdn.simplecast.com/media/audio/transcoded/b76c35f7-b522-433c-8aaf-91634f6e0aaa/0d5160ad-a7f5-46e8-a7b7-4d0686b4b0b0/episodes/audio/group/b844e7e7-e8fa-4d2a-a9c2-c2e91c828e22/group-item/076d08ab-e4f7-4eea-b17f-81fd769249c1/128_default_tc.mp3?aid=rss_feed&feed=w5_4mil2 Processing state: not_requested JSON: https://stenobird.com/v1/public/podcasts/ask-mit-climate-81054/episodes/re-air-and-update-carbon-pricing Duration seconds: 906 ## Resource 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. ## Actions - request_transcript: `POST https://stenobird.com/v1/public/podcasts/ask-mit-climate-81054/episodes/re-air-and-update-carbon-pricing/transcription-requests` — Idempotently request low-priority transcript generation for this episode. - read_markdown: `GET https://stenobird.com/podcast/ask-mit-climate-81054/re-air-and-update-carbon-pricing.md` — Read the agent-friendly Markdown representation of this episode resource. A page view does not enqueue transcription. Agents should invoke `request_transcript` explicitly when they need this episode processed. ## Transcript Full transcripts are not published on public pages unless there is a clear rights basis.