Where debating everything under the sun is only the beginning

But the green slice is quite big right now, and Bos taurus is a large part of the problem. Primarily on land use, but it takes a lot of energy to grow tham, and they produce a lot of natural gas in the process. Either we have to create a better cow, or we must have less of them. Some cause far more harm than others, particularly those in China shops, they will have to go. 

For the rest, there might be tricks. Sea weed may be better than grass which is better than maize and soy. We can make artificial cows, or alternatives to cow, or alternatives to meat all together. Here we intersect with another cultural/economic/moral phenomena:

Quote from: jax on 2021-04-25, 07:49:44

They are vegans because they can. Throughout our history we haven't been vegans because we couldn't. Animal products have been a necessary supplement to our diet. Now we are affluent enough that we can forego it, and technology gives us alternatives. Thus we can ask ourselves: Is it right to kill animals for food? I find it likely that 22nd century people will look at our eating habits with revulsion.

Either we have to create a better cow, or we must have less of them.

Thus we can ask ourselves: Is it right to kill animals for food?

Or less people. Stop overpopulation and cows will not be a problem. As many other current problems.

The cow carbon hoofprint would be no smaller with fewer humans

Which it turn means the cowbells may be a millennium-old imposition. GPS might be a better option for cow ears. We might have to start practicing our apology speech to a proper representative of bovinity.