Tired of Tires
Gene Logsdon, The Contrary Farmer

Do you know how many pneumatic rubber tires you own? I bet when you count them up, you’ll be surprised. Even on my little one horse farm, there are 40 tires in use, not counting the ones on the car. And ten percent of them are flat at any given time. This is partly because most of my tires were vulcanized in the late Middle Ages or thereabouts. But it is also because there is something unsustainable and unnatural about riding around on air wrapped in a substance that comes from trees that grow half a million miles away....