Ayres (2008) also refers to sustainability economics. Here, however, it is implied that sustainability economics is somewhat equal to ecological economics with regard to the topic of energy: “Sustainability economics includes the problem of maintaining economic growth,
while reducing pollution and/or its impacts, with special attention to the linked problems of energy supply (not to mention the supply other exhaustible resources), climate change and — most urgently — fossil fuel consumption” (p. 281). Arguing from a thermodynamics
perspective, Ayres (2008) challenges neoclassical economics and de- fines an interdisciplinary research field in which “economics as the science of resource allocation, occupies the central position, in some sense” (p. 294).