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by marcosdumay
1076 days ago
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The air is the most limited source of carbon we have. There is probably more of it in coal, and certainly more in fossil fuels. But anyway, a huge part of the Earth's crust is composed of carbon-rich rocks. If we ever take the carbon from the air, it will be to regulate its amount. Taking it from rocks is much easier and requires a comparably tiny amount of infrastructure. |
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