Life

摘要

If trees fall in the middle of a city, does anyone make a sound? So far, not much of one—and that's a problem. To most of us, city trees are to genuine forests what gardens are to jungles or fish tanks are to the ocean—pocket-size imitations of the wild world, decorative perhaps but playing no real role in the global ecosystem. But urban trees are a lot more important than that, and at the moment, they're in decline.