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Mapping the global fungi network episode artwork

Jul 18, 2026 14 min

Mapping the global fungi network

from Sunday Extra - Separate stories podcast Hosted by Australian Broadcasting Corporation

Scientists have drawn up the first complete global map of the hidden fungal super-highway that runs beneath our feet. These mycorrhizal networks stretch an astonishing 110 quadrillion kilometres, which is about 1 billion times the distance of the Earth to the sun. Researchers estimate that the fungal super-highway moves around 4 billion tons of carbon dioxide into soils each year and plays a major role in supporting plants and regulating the climate. Guest: Dr Justin Stewart, data scientist at the Society for the Protection of Underground Networks (SPUN)

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Mapping the global fungi network

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This episode was published on July 18, 2026.

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