"When a teaspoon of soil contains millions of species, and when we pave over the earth on a daily basis, what does that mean for our future? What is the risk to our food supply, the planet's wildlife, the soil on which every life-form depends? Who much undeveloped, untrodden ground do we even have left? Paul Bogard set out to answer these questions in The Ground Beneath Us, and what he discovered is astounding. From New York (where more than 118,000,000 tons of human development rest on top of Manhattan Island) to Mexico City (which sinks inches each year into the Aztec ruins beneath it), Bogard shows us the weight of our cities' footprints. And as we see hallowed ground coughing up bullets at a Civil War battlefield; long-hidden remains emerging from below the sites of concentration camps; the dangerous, alluring power of fracking; the fragility of the giant redwoods, our planet's oldest living things; the surprises hidden under a Major League ballpark's grass; and the sublime beauty