

Apart from the methane problem, all livestock farming takes, by definition, a massive amount more land than arable farming to produce the same amount of food. On a stressed planet of 9 billion people, there simply is not enough land to feed everyone with red meat.
That’s helpful. These estimates do tend to vary a bit depending on assumptions (type of plane or car, what occupancy etc). The 2t I quoted was slightly high. My point was that there’s no other way to emit 1 tonne in 6 hours.