Labeling the carbon footprint of food prompts people to eat more sustainably: This was the key finding for TRR 266 Accounting for Transparency researchers from LMU Munich, HU Berlin and Aalto University in Finland in a recent field trial. How the information is presented turned out to be the critical factor: The effect was greatest when CO2 information was visualized as traffic light colors or displayed in the form of cost to the environment.
Field trial shows that knowing the carbon footprint of food prompts people to eat more sustainably
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