title: Between Sky and Earth
abstract: and Earth biodynamic viticulture ' s slow science deborah heath standing at the threshold between local rootedness and global expansion, grapevines portend changes in our shared planetary metabolism. Deep-rooted, long-lived perennials of the genus Vitis, grapevines can persist in place for centuries, with some surviving specimens as much as four hundred years old. Anchored in their par tic u lar locales, grapes are touted by wine connoisseurs as exemplary emissaries of terroir, the "taste of pla