Hi Hannah, really interesting chart. However, the figures we have for beef in the UK put it between 10 and 17kg of CO2 eq. / Kg of product. Likewise for milk in the UK it's more like 0.9kg CO2 eq. How do you take into account regional variation?
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I guess my point is that in the case of the UK, buying 'local' i.e. British beef would have a lower carbon footprint than imported produce? For me there are also many environmental reasons to promote local, with regards to traceability and exporting impact of production.
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That you can make a much larger difference to the carbon footprint of your diet by first looking at *what* you eat before focusing on food miles is certainly true in EU diets. Meat, dairy, eggs account for 83% of footprint. Transport: 6% https://ourworldindata.org/environmental-impacts-of-food#the-carbon-footprint-of-eu-diets-where-do-emissions-come-from …pic.twitter.com/my7DYNzIvT
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That chart is fabulous! To break down all that stuff in one place is incredibly useful. Can I maybe ask whether it would be possible to also do one by calorie? I think the difference between staple crops (mostly dry) & fresh fruit/veg is an important one ...
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Thanks! Yes, I am on it. Will add all the data per calorie and per gram of protein to make these comparisons easy.
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I hate that these charts always do emissions per kilogram, which is a meaningless metric from an actual dietary/nutrition standpoint. You know how many kilograms of peas you'd have to eat too get as much calories as a single kilogram of fatty salmon or olive oil?
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In a follow-up article we look at how regional variations in footprints of foods affect this. The message remains the same: the ‘worst' plant-based foods are still much lower than the 'best' meat and dairy.https://twitter.com/_HannahRitchie/status/1224629024053436416 …
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Genuinely curious: Does it make sense to measure transport emissions as global averages? Some parts of the world may have substantially longer transport chains than others. (hoping this falls under a 'no stupid questions' rule)
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Definitely not a stupid question. I address it in the article by looking at how sensitive this figure is to transport distance. Unless it’s air-freighted (which not much is – also in the article) it doesn’t make a massive difference. https://ourworldindata.org/food-choice-vs-eating-local …pic.twitter.com/2IL78ckQKa
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Čini se da učitavanje traje već neko vrijeme.
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