this post was submitted on 16 Apr 2025
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Don't see you providing any sources mate
I don't need sources to be skeptical. you made a claim. I'm asking you to support that claim with good science.
The sources are in the references to the papers that you're presenting. The LCA studies themselves often come with a warning that it shouldn't be combined with other LCA studies, but poore-nemecek actually took an even lazier approach were they compiled meta studies that were ignoring this guidance and didn't actually source many if any LCA studies themselves. when reading the meta studies that they gathered, you can see that all of them say that LCA guidance discourages combining studies as they have done, but they're just going to do it anyway.
it's bad science.
Sure
feel free to read the references. you don't have to read much past the abstract of most of poore-nemecek's references to see that what I'm saying is true.