Driving the rural highways of Illinois reveals mile after mile of corn, soybeans, and wheat. Recently I traveled to California and was driving on a long highway in the central part of that state. It was similar to the highways in my home state of Illinois, flat with small towns scattered along the way. However, the only crops I saw were irrigated almonds, grapes, and oranges. Around the edges of the fields, nothing without irrigation was green, not even weeds. Read the rest of the article here.