Human biomass displaces other species. It is no coincidence that the human population has doubled sine 1970...while the number of wild (non-domesticated) anima

Human biomass displaces other species. It is no coincidence that the human population has doubled sine 1970...while the number of wild (non-domesticated) animals has halved. So sure, we might be able to support 80 billion (!!) humans...but with a correspondingly devastating loss of biodiversity.