A few years ago I visited Valencia, Spain, which is often cited as an example of urban planning. I don't know what the local ordinances are specifically, but it seemed plain that a certain amount of green space is required on every commercial lot, besides the large swaths of public parkland. I had a wonderful visit, but more than that, it seemed like an immensely livable city. People were always out on the streets, strolling, playing soccer, walking their dogs (and never picking up after them ).

I love to visit big cities, but I never imagined I could live in one. I enjoyed living in Columbus, Ohio, but I love my country life, too.