@arzachel er how do you expect anyone to take that seriously when they can't even get the terminology straight? carbon positive means that it emits more carbon than it sequesters...
In any case, there isn't enough room in America for both cows and humans. unless each person had a maximum of 1 cow, and otherwise had an exclusively plant based diet. Still it would require that all currently available private land be redistributed so each American would get the equivalent of 2 global hectares.