Nancy Folbre, an economist at the University of Massachusetts, Amherst, argued: "We must take responsibility for governing the commonslong dashnot just the quaint old-fashioned village green, but things that cannot easily be privatizedlong dash [such as] clean air ... " Do you agree that clean air is like a common pasture in England in the Middle Ages? Briefly explain. Source: Nancy Folbre, "Taking Responsibility for the Commons," New York Times , February 26, 2009. Clean air