Suzanne Simard is the forest ecologist who has proven, beyond doubt, that trees communicate with each other — that a forest is a single organism wired for wisdom and care. Simard found that the processes that make for a high-functioning forest mirror the maps of the human brain that we’re also just now drawing. All of this turns out to be catching up with intelligence long held in aboriginal science. She calls the mature hub trees in a forest “Mother Trees” — parenting, eldering, in a mode of mutuality and reciprocity, modeling what we also know to be true of genuinely flourishing human ecosystems.