“Jedediah Purdy, author of After Nature, says Thoreauvian wildness is exactly what our post-natural world requires. Purdy likes a new term, the anthropocene, to describe a geological age of our own making — one in which no place is untouched by human activity. And so, Purdy says, this new age needs a new program, beyond the Paris mandates, the carbon offsets, and clean-tech investments. More urgently, we need a radically different sensibility. In other words, we should learn to listen better — cultivate a deeper, more direct way of understanding ourselves and the landscape, toward a more participatory, more global politics. As Purdy says, “We’ve got to create that circuit between inside and outside in this wrecked world that we’ve made, if we’re going to be moved to participate in its healing and its improvement and its change.”