A formal definition of “energy” is “the capacity to do work”. The overwhelming majority – ~80%) of the work done in our advanced technological society (i.e. the “economic activity”) is done using the energy released by burning fossil fuels [1]. In fact, even a large part of the work done by humans themselves can be attributed to fossil fuels since 30% of all fossil fuel use is for growing, processing, distributing and cooking the food that powers human bodies [2]. Of course, food production is vital when considering the future of our nation of Australia and of world civilization. The act of people living in cities (the origin of the word “civilisation”) is only possible when farmers produce food […]