The Problem with Natural

A natural pas may afford the most convenient way to cros a mountain, but it wil be vastly improved by bilding a good road thru it. Fruits and vegetables that grow wild in their natural state ar greatly and universally improved and adapted to human needs by cultivation. Every process of manufacture, from roast- ing a potato to bilding a battleship, involvs an arti- ficial change in natural products. All civilization is based on man's ability to direct natural processes. We can not depe...