Living on a Carbon Diet

The objectives of this paper are to understand the features of simulated low carbon lifestyles under strong greenhouse gas emissions reduction assumptions (20%, 50%), the nature of trade-offs and the hierarchy of choices operated by households within a limited carbon and financial carbon budget, the acceptability of important changes in consumption patterns, and finally the values and representations, benefits and losses that households express in such changes. The research implemented a protocol combining experimental economy and anthropology. Each household of the sample (n = 30) was investigated for 2-3 days. Firstly, a very detailed carbon footprint of the household was calculated. Then households were proposed a list of 65 pre-defined solutions covering most of available mitigation options, with financial and carbon cost and savings calculated for their real situation. The sample reached an average of -37% (-12%/-64%), with a preference to act on habitat and food and a reluctance to change transport consumption.