One enterprising scientist thinks we’re close to creating a whole new, much greener mining industry.
Nothing grows here at Walker Ridge. Oaks, pines, and wildflowers stop abruptly at the edges of a huge swath of bare earth. The dead zone–tinged an uneasy shade of green–stretches almost as far as the eye can see in one direction, down a slope that feeds directly into a watershed. Piles of dirt, scraps of rust-eaten metal, and a few crumbling bricks seem the only signs left of this