Send us Fan Mail In the fourth episode of their Landscapes series, Marti and Todd explore ecotones — the zones in nature where different environments meet and interact, generating new forms of life that neither could produce alone. Todd opens with the etymology of ecotone — eco from the Greek for household, the living relationships of a place, and tone from the Greek for tension and stretching, the same root that gives us the vibration of a musical string and the vitality of a tonic. From the...