The Promethean perspective is quite present in Ecotopia because as a society they strive to use nature productively. This differs from Bear in "flying behavior" because Ecotopians use nature productively in a way that benefits both them and the environment. In "Flight Behavior", Bear manipulates nature and uses it for his benefit without worrying about the negative impact. One of the ways they use nature productively is by setting up their sewer system through Ecotopia. In the book “Ecotopia,” the Prime Minister's aide tells Will: “His ministry's first major project after independence, he said, had been to stabilize the country's food cycle; all food waste, sewage and waste had to be transformed into organic fertilizer and spread on the land, where it would again enter the food production cycle” (Callenbach, 17). Thanks to their stable state, they use nature productively, where food waste and sewage are recycled in a way that nourishes the earth after feeding humans. This shows that Ecotopians are not wasteful and use nature as much as they can so as not to waste anything. The ecological perspective is presented in "Ecotopia" when Will discovers how Ecotopia produces and recycles its plastic. The production and recycling of plastic at Ecotopia is environmentally friendly because it shows how important the health of the ecosystem is to people.