... article as: Fazeni and Steinmüller: Impact of changes in diet on the availability of land, energy demand, and greenhouse gas emissions of agriculture Energy, Sustainability and Society 2011 1:6 ... are examined simultaneously Existing studies on this topic often focus on the impact of dietary choices either on energy and emissions or on the availability of land, e g., in the studies conducted ... a consequence, the LCA can be thought of as being performed at the ‘notional’ farm level Methodology of energy accounting Definition of the goal and scope for energy accounting in conventional...