eli5: Why isn’t carbon capture used at emission sources?

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I know that there is ‘legacy carbon’ in the atmosphere that needs to get removed but why aren’t we leveraging carbon capture as part of industrial processes (e.g. at the factory’s smoke stack, for example). Or maybe we are already?

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Anonymous 0 Comments

It’s starting to happen. The problem is, we’ve only recently started to care enough about emissions to start implementing it. In addition, it’s hard to do, and the concentration isn’t ‘that’ much higher from smokestacks than in the open air (it is usually 20% co2 iirc), which requires filtering. Then you need a place to store ( sequester) the carbon permanently with no leaks. This is hard to do on an industrial scale, and requires infrastructure that there just wasn’t the need to develop.

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