EIO-LCA Web Forum

Carbon emissions by physical quantity and by sub-activity
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Author:  clarat [ Wed Aug 18, 2010 2:04 am ]
Post subject:  Carbon emissions by physical quantity and by sub-activity


I am an intern working on a carbon footprinting project for a food production company. I have a couple of questions.

1) The EIO-LCA model tells us the Carbon emissions per economic activity (per $million etc). Would it be possible to obtain the carbon emissions by physical quantity? (per KG, per tonne produced)?

2) The EIO-LCA model tells us the combined carbon emissions for the processes within the boundaries of 'cradle-to-gate'. However, I would like to obtain carbon emissions data at each step of the process (e.g. Primary processing of grain = xxx CO2 emisisons/kg, secondary processing of grain = xxx CO2 emissions/kg). How do I get such information?

Would greatly appreciate any help. Thank you!

Author:  hscottm [ Tue Oct 05, 2010 3:57 pm ]
Post subject: 

I had e-mailed this user directly, but wanted to archive the reply here.

1) Its possible to make physical unit input-output models, but we do not have sufficient data to make it for the entire US (what would be needed for this request). The only option is to do a conversion that is user-provided to convert between dollars and kg.

2) What you're asking for is basically called a structural path analysis. We do not currently have that available on the website, but could support such an activity offline. Contact us for details.

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