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Greenhouse gas emissions per kilogram of food
(thelemmy.club)
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this post was submitted on 08 Mar 2026
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Data is Beautiful
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To elaborate and give a few exmples, LCA data is highly specific to a single production process, and might cover entirely different things.
There's a huge difference between "one liter of paint from prepared from pigment and solvent" and "Me driving over to get a house sanded and cleaned, then repainted, per square meter of wall". But both are LCA's for painting, but the latter will be much higher.
It can go the other way too. There are also lots of sub-processes that have negative costs. Putting up a new streetlight has a environmental higher cost than replacing one, because replacing one gives you an old streetlight to recycle. You can't just create a pile of "streetlight LCA data" and take the average.
They can even be very time-specific. If I'm sitting on a giant mountain of gravel, I can give you an LCA for your zen garden that's much lower than last year when I had to import gravel from Norway.
Looking at chocolate here, they include lots of land-use-change, which is caused by cocoa farmers expanding and turning trees into cocoa farms. But that's only because they're expanding. The next harvest won't have that change.