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Researchers Work on Using RFID to Calculate an Item's Carbon Footprint
The Bits to Energy Lab has developed a prototype system utilizing data collected via RFID to calculate an individual item's carbon footprint and display it on an RFID-enabled mobile phone.
Aug 08, 2008—The Bits to Energy Lab, a joint research initiative of the University of St. Gallen and ETH Zurich in Switzerland, is studying how to use data collected via RFID to calculate an individual item's carbon footprint, then display that information on an RFID-enabled mobile phone. The project is part of the lab's overall efforts to find ways to employ ubiquitous computing technologies—always-on, always-connected—to promote environmentally healthier practices, and to achieve a more rational use of energy.
A product's carbon footprint is usually defined as the average amount of greenhouse gases emitted to produce, transport, use and recycle that product. A dynamic carbon footprint, on the other hand, is defined as the cumulative emission of greenhouse gas on a per-unit basis. Individual batches of the same product—such as two cases of a specific brand of juice—can have widely varying dynamic carbon footprints. If one case on a supermarket shelf came from a particular bottling plant, while one next to it originated at a different plant several hundred kilometers away and was delivered by a separate logistics company, their footprints could diverge significantly.
Tesco and Migros have shown interest in carbon-footprinting their products as a means of improving processes and products through higher visibility of environmental costs on a per-unit basis. What's more, knowing an individual product's dynamic carbon footprint can help companies avoid compliance penalties, improve their reputations with environmentally conscious consumers and potentially save them money.
"There are a lot of projects that optimize efficiency of the supply chain with RFID," says Thorsten Staake, associate director of the Bits to Energy Lab. "We are trying to optimize emission efficiency with RFID. It's slightly different—and sometimes, but not always, it is related to costs."
Ali Dada, a researcher at the Bits to Energy Lab, adds, "We are investigating the value of item-level footprinting. RFID, with its ability to uniquely identify items and automate the collection of information in the supply chain, would supply additional value and ease of usage in the supply chain."
At present, a number of organizations, such as Carbon Trust and Climatop, are applying various methodologies for carbon accounting in pilot projects. The Bits to Energy Lab is working informally with these organizations as they develop carbon-footprinting methodologies. Bits to Energy researchers are utilizing results from the carbon-accounting projects to help them understand how the methodologies can be used in conjunction with Electronic Product Code (EPC) RFID technology.
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