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Hybrid Carbon Footprints are a significant advance in terms of speed an accuracy of carbon foot printing.

There are 3 ways of calculating the carbon footprint of an product or organisation.

  • Input - Output models (Fast low cost provides good coverage)
  • PAS 2050/process models (Slow very high cost poor coverage and subject to boundary disputes)
  • Hybrid models (uses a mixture of process and input output models to get the benefits of both Input-Output and Process based models.)

In the majority of cases Input - Output models are more than good enough, and provide a good first level calculation of carbon footprints.  For products that are used in very high volume a second or third level calculation is appropriate and this is where hybrid models come to the for, by providing another level of accuracy.