by Laura Reiley, Washington Post
Last month, carbon dioxide levels in the atmosphere surpassed 415 parts per million, the highest in human history. Environmental experts say the world is increasingly on a path toward a climate crisis.
The most prominent efforts to prevent that crisis involve reducing carbon emissions. But another idea is also starting to gain traction — sucking all that carbon out of the atmosphere and storing it underground.
It sounds like an idea plucked from science fiction, but the reality is that trees and plants already do it, breathing carbon dioxide and then depositing it via roots and decay into the soil. That’s why consumers and companies often “offset” their carbon emissions by planting carbon-sucking trees elsewhere in the world.
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