You know that feeling when you’re on a crowded subway, hanging on for dear life, and the doors open, only to let more passengers into the packed car? Now, at this moment, does the world seem impossibly overcrowded? Can you imagine adding one more person to it? Subways aside, studies have found that people living in urban areas have fewer children than those living in rural ones. Does it all come down to space?
Do Trees Crave Personal Space?
