I used to commute along what some call the most beautiful highway in America, with the Santa Cruz Mountains on the one side and the golden hills on the other. But listening to Weiss tell me about his work here, I realize I have never quite seen this place before.
The Green Revolution was accomplished largely by doubling the amount of irrigated land. Hundreds of millions of wells now reach into the earth like straws in a thick drink on a hot day. But as with many things, we're taking more water than we're getting.