https://ourworldindata.org/meat-production

https://www.youtube.com/watch?v=OLWgcfPq2ms 

https://www.ucdavis.edu/food/news/making-cattle-more-sustainable

https://ourworldindata.org/food-ghg-emissions 

http://references.260mb.com/Paleontologia/Aiello1995.pdf?ckattempt=1&i=1

https://www.sapiens.org/culture/meat-culture/

https://www.fao.org/3/cc3164en/cc3164en.pdf

https://onlinelibrary.wiley.com/doi/10.1002/bit.27848

https://www.epa.gov/ghgemissions/sources-greenhouse-gas-emissions

https://www.ers.usda.gov/topics/natural-resources-environment/climate-change/

https://www.ers.usda.gov/data-products/chart-gallery/gallery/chart-detail/?chartId=103767 

https://thebreakthrough.org/issues/food-agriculture-environment/livestock-dont-contribute-14-5-of-global-greenhouse-gas-emissions

https://phys.org/news/2019-01-scientists-breathalyze-cows-methane-emissions.html

https://link.springer.com/article/10.1007/s11367-022-02128-8

https://www.frontiersin.org/articles/10.3389/fnut.2020.00007/full

https://fs.blog/should-humans-eat-meat/

https://onlinelibrary.wiley.com/doi/book/10.1002/9781118278710