Could this be disinformation from fossil fuel industry? Would have to include every possible emission for agriculture, from seedbank storage to cleanup of runoff into Great Barrier Reef, compared with fossil fuel cost, just extraction to ground level, no further responsibility, not emissions from burning “by others”.

https://www.euractiv.com/section/agriculture-food/news/five-meat-and-dairy-companies-emit-more-emissions-than-major-oil-companies-study-finds/