Farm, Coachella Valley, California. Photo: Courtesy Marilynn Waters. Invisible agriculture I find it strange Americans and, especially, scientists and politicians talk to little, if at all, about agriculture. And yet agriculture gives us food and, surreptitiously, threatens the future. Vast number of Americans live in large cities like New York, Seattle, Chicago, New Orleans, San Antonio, Las Vegas, Miami, Atlanta, San Francisco and Lost Angeles. These cities have great museums and, possibly, universities, but are agricultural deserts. City merchants, grocers and government institutions buy most of the food they need for their large population from farmers or agribusiness, which grow food as far away from cities as they can. The reason for the separation of the city from the country was the original sin of America: the savaging of the Native Americans and the outright theft of their land. There was a second grabbing of land, what the Britis...