# Fungi: the invisible force protecting our planet

An episode of [Science Weekly](https://invisiblenetwork.ai/podcast/136697669), 14 Jul 2026, 16 min.

Audio: https://flex.acast.com/audio.guim.co.uk/2026/07/13-57644-gnl.sci.20260713.eb.fungal_networks.mp3

Scientists often talk about the importance of flora and fauna to the health of our planet, but Dr Toby Kiers, an evolutionary biologist and founder of the Society for the Protection of Underground Networks, wants us to consider another force: fungi. Her work charting the planet’s vital underground systems has earned her numerous awards, including a MacArthur fellowship and a Tyler Prize for Environmental Achievement (sometimes called the ‘green’ Nobel). She tells Ian Sample about her work mapping fungal networks on the remote Palmyra Atoll in the Pacific Ocean, and what the research reveals about fungi’s often invisible role. Help support our independent journalism at theguardian.com/sciencepod

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