Calculating the Incalculable: Thoreau on the True Value of a Tree

“What would human life be without forests, those natural cities?”

More than two years after a fire started by a teenage boy destroyed 47,000 acres of old-growth forest in Oregon’s Columbia River Gorge, having just resolved to face the new year like a tree, I found myself on the brink of tears before the blackened trunk of an ancient ponderosa pine as I walked the sylvan scar tissue of the tragedy. A conversation with my hiking companion — a dear friend currently working with the Navajo...