[cheese_goddess]

Th graph in this article is useful to answer your question:

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

According to the article, 26% of all GHG emissions are from food production.

Of that:

31% of all food production comes from livestock and fisheries.

27% comes from crop production, with 6% for animal feed and 21% for human food.

24% comes from land use, 8% for human food and 16% for livestock.

18% comes from ransport and other emissions from the supply chain.