You know the price of a jar of fair-trade coffee before you reach the checkout, but how can you be sure of its ethical cost? Now techniques are being developed to tag goods with information about their entire production history, to reassure consumers that what they are buying has genuinely been ethically made.
The Fair Tracing project was established by a UK team including Ann Light at Sheffield Hallam University. “When consumers buy something they want to know: is this really part of a fair process? Is it really organic, as it claims?” says Light.
The researchers are exploring techniques…
