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  - WN.COM - Environment - 24/Jul 09:46

There’s a surprising climate solution right under your feet

Like so much of an iceberg is hidden underwater, much of a tree is hidden underground. While the trunk and branches and leaves sequester planet-warming carbon dioxide, trees and other plants have long formed subterranean alliances with mycorrhizal fungi, which intertwine with their roots to establish a mutually beneficial trade network. In exchange for helping everything from oaks to redwoods find water and essential nutrients like nitrogen, the fungi get energy, in the form of carbon that their partners have pulled from the atmosphere. A whole lot of carbon, in fact: Worldwide, some 13 billion tons of CO2 flows from plants to mycorrhizal fungi every year — about a third of humanity’s...

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