Scientists have uncovered a colossal hidden fungal network beneath Earth’s surface that quietly supports ecosystems and helps regulate the planet’s climate. (Global map of hyphal density of AM fungi.) Credit: Truth & Beauty / Moritz Stefaner Justin Stewart - SPUN Beneath the ground, vast networks of fungi quietly support plant life and play an important role in regulating the planet's climate by helping move carbon into soils. Now, researchers have created the first global maps showing where