65% of the grain grown in the US is fed to animals: https://www.vox.com/2014/8/21/6053187/cropland-map-food-fuel-animal-feed https://www.vox.com/2014/8/21/6053

65% of the grain grown in the US is fed to animals: https://www.vox.com/2014/8/21/6053187/cropland-map-food-fuel-animal-feed https://www.vox.com/2014/8/21/6053187/cropland-map-food-fuel... Start feeding that directly to people instead and you can use the rest of that land a lot more efficiently. And that's not even addressing all the other nasty externalities of breeding that many animals.