Hey there,

I am currently conducting a life cycle assessment and as advised, I used different life cycle impact assessment (LCIA) methods to check for robustness of results. I found that when looking at results from climate change at endpoint (ecosystem quality), the values from LC-IMPACT and ReCiPe2016 are similar but IMPACT World+ shows much higher results. SimaPro support mentioned it is most probably due to the different units (species.year and PDF.year vs PDF.m2.year) but I did not find any literature on this topic yet. Would anyone know where to find it?

My main question would be why the value for PDF.year is lower than that of PDF.m2.year. Assuming that the former refers to a global scale because no spatial restrictions are indicated, I would have assumed it would be vice versa with reults from ReCiPe2016 exceeding those of IMPACT World+ (?)

Any ideas or recommendations are much appreciated!

Thanks in advance!

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