"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...