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https://www.theguardian.com/environment/2017/sep/26/sixth-mass-extinction-of-wildlife-also-threatens-global-food-supplies
https://link.springer.com/chapter/10.1007/978-3-319-25637-5_10
https://www.science.org/doi/10.1126/science.1246752
https://www.science.org/doi/10.1126/science.1187512
https://www.scientificamerican.com/article/diets-around-the-world-are-becoming-more-similar/