If we want to tackle the climate crisis, we need to address a global blindspot: the vast underground fungal networks that sequester carbon and sustain much of life on Earth. Mycorrhizal fungal networks make up between a third and a half of the living mass of soils and are a major global carbon sink. When we destroy them, we sabotage our efforts to limit global heating. A powerful and underappreciated ally in the climate crisis? Fungi | Toby Kiers and Merlin Sheldrake