"How much of the Earth's surface do you need to produce enough food for everybody? Answer: Not a whole lot. You can grow 70000-80000 kg of protein per hectare with mushrooms, or 80 kg of protein per hectare with beef cattle, or 650 kg per hectare with fish farming."
"Forty percent of the world's land surface is used just for meat production. The world has so many cattle that we don't know what to do with all the manure they produce, but it can be used to grow mushrooms."
"How much of the Earth's surface do you need to produce enough food for everybody? Answer: Not a whole lot. You can grow 70000-80000 kg of protein per hectare with mushrooms, or 80 kg of protein per hectare with beef cattle, or 650 kg per hectare with fish farming."
"Forty percent of the world's land surface is used just for meat production. The world has so many cattle that we don't know what to do with all the manure they produce, but it can be used to grow mushrooms."
https://www.reddit.com/r/collapse/comments/5s8liz/collapse_is_a_cultural_choice/?st=iyv0q1zi&sh=ea1ca807