Not only meat consumption itself has a few disadvantages. The excrement of farm animals also becomes a problem in large quantities. A novel system of electrodes and surplus electricity can be used to recover valuable raw materials.https://www.notebookcheck.net/Manure-and-money-electrodes-and-green-electricity-extract-raw-materials-from-faeces.782933.0.html
Let me guess, the ideal solution is to start eating bugs...