Marilyn in Henry Cowell Redwoods State Park, Felton, CA, 2016 (Photo by Jim Friedrich)

That’s the trouble with people, their root problem. Life runs alongside them, unseen. Right here, right next. Creating the soil. Cycling water. Trading in nutrients. Making weather. Building atmosphere. Feeding and curing and sheltering more kinds of creatures than people know how to count.

A chorus of living wood sings to the woman: If your mind were only a slightly greener thing, we’d drown you in meaning.

The pine she leans against says: Listen. There’s something you need to hear.

–– Richard Powers, The Overstory

Toward the end of the last century, I sat in a circle of religious environmentalists in a California wilderness. Each of us wore a mask we had made to represent a species or element of the nonhuman world: bear, eagle, butterfly, elephant, whale, mountain, river, redwood, maple leaf…