Requirements on Consumer Information about Product ... - ANEC

Consumer Information about PCF
labelling. Nevertheless, the things can get quite complicated, and a proper definition of the
functional unit can be quite critical. Fast changes in supply chains are difficult to be
accounted for in LCA / PCF since they require a functioning information system which is not
yet in place. As for the calculation rules, there are still methodological questions to be solved
and consensus to be found among different existing approaches (see chapter above).
Concerning the differences between different products from the same product group PCF
results may show only small deviations similar to that of LCA results. LCA as well as PCF
cannot eliminate uncertainty. Due to these uncertainties (e.g. parameter or model
uncertainty) PCF results will always have a restricted precision. Therefore the display of a
single CO2e figure on a product is misleading.
Current CO2 labels neglect consumer comprehensibility, benchmarks and indication
of excellence
In order to be useful to consumers a CO2 label would have to
• be comprehensible, e.g. by a well structured display, aggregation of the information,
concentration on the gist. Additionally a standardised look thus enabling consumers to
quickly comprehend the information, compare different products and include the
information on the climate impact in their purchasing decision.
• include a rating scheme, enabling consumers to recognise if the products’ Carbon
Footprint represents a relatively low greenhouse gas emission for the resp. product
group or a relatively high emission. It must be possible for consumers to recognise
excellent products. Only then an effective reduction of the climate impact due to “the
right” purchasing decision can be achieved. Consumers are already well acquainted
with the A-G labelling scheme of the EU energy label, so this could be a promising
starting point.
• be third party certified. As credibility is of high importance for consumers, it is crucial
that a third party review should be requested for the PCF when used in product-related
communication.
• be backed-up by easy to access and transparent documentation of the PCF study the
label is basing on. This includes the motivation for calculating a PCF and assumptions
and quantifiers used in the calculations. Any publication of the data must be clear,
understandable, conclusive and open to scrutiny. It should ne noted to what extent
PCF calculations are reliable and/or uncertain and whether other important
environmental impacts have been taken into consideration.
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