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by leipert
1223 days ago
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I did some napkin math, and it doesn’t seem too feasible: https://news.ycombinator.com/item?id=20713552 The TL;DR was: in order to supply 1.5 billion cows with the seaweed we might need up to 291.000 metric tons of algae per day. ~ 106 Million metric tons per year.
In 2014 the world wide Aquatic Plants (which include ALL Macro-Algae) production was around 27 Million tons [0]. [0]: http://www.fao.org/3/a-i5555e.pdf, page 24, table 7 |
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