# A hard look at steel

Page: https://stenobird.com/podcast/ask-mit-climate-81054/a-hard-look-at-steel
Text version: https://stenobird.com/podcast/ask-mit-climate-81054/a-hard-look-at-steel.md
Podcast: [Ask MIT Climate](https://stenobird.com/podcast/ask-mit-climate-81054)
Published: 2026-05-14T09:00:00+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/d4bf4590-36ef-4518-b6fe-9652147a94bf/group-item/5b065f5d-7503-4a6b-8c4e-912784e8c561/128_default_tc.mp3?aid=rss_feed&feed=w5_4mil2
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JSON: https://stenobird.com/v1/public/podcasts/ask-mit-climate-81054/episodes/a-hard-look-at-steel
Duration seconds: 848

## Resource

Antoine Allanore, a professor of metallurgy at MIT, explains how CO2 became so entrenched in the chemistry of steelmaking—and the creative ways scientists and engineers are trying to get it out.

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## Transcript

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