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Energy Intensity of Agriculture and Food Systems
Nathan Pelletier, Eric Audsley, Sonja Brodt, Tara Garnett,Patrik Henriksson, Alissa Kendall, Klass-Jan Kramer, David Murphy, Thomas Nemecek,and Max Troell Annual Review of Environment and Resources. Vol. 36.
Abstract:The relationships between energy use in food systems, food system productivity, and energy resource constraints are complex. Moreover, ongoing changes in food production and consumption norms concurrent with urbanization, globalization, and demographic changes underscore the importance of energy use in food systems as a food security concern. Here, we review the current state of knowledge with respect to the energy intensity of agriculture and food systems.We highlight key drivers and trends in food system energy use along with opportunities and constraints to improved efficiencies. In particular, we point toward a current dearth of research with respect to the energy performance of food systems in developing countries and provide a cautionary note vis-`a-vis increasing food system energy dependencies in the light of energy price volatility and concerns as to long-term fossil energy availabilities.
Keywords: energy analysis, food security, energy productivity, energy efficiency, EROI, biofuelsBack to publications