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on human health) and greenhouse gas emissions and corresponding impactson climate change. The Post-its listing the individual emissions for travels and food were gentlycommented on and the participants were assisted to assess the orders ofmagnitude of daily life activities, as well as potential levers of GHG reduction,connected with the habits of the other participants. Structural barriers such asmobility options and lack of public transport were also discussed to put intoperspective the scope of small individual actions, at a family level, and thestructural collective actions to be carried out at neighbourhood or town levels.During the role-playing phase, participants were able to define and adopt tenlow-carbon alternatives that would potentially reduce the GHG emissions by53.7%, from 71,963 to 33,292 virtual TCO2e. By the end of the free negotiationphase, the reduction was (solely) of 3,849 virtual TCO2e, because the first phaseput the focus on individual actions instead of structural ones. Fig. 3.1.4 Fulfilled numerical white board during the 1st promotion of MaTerre CitEuroPass (awareness-raising phase and individual pathways)1123 Frugal Innovations