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It's only going to be one part of the puzzle, at best. But replacing concrete, steel and aluminum, all causing large CO2 emissions while the raw material is created, should be a benefit.

Anyway, you can also store a lot of the carbon just as forest, though it's more of a "one time" use of the land. Trees can also live for hundreds of years. And the soil can also store carbon. At least over here, large trees can often survive forest fires too.

But it requires changed policy, it's not a technological problem.




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