> IMHO it's simple: current farming depends on oil Valid point, though everything depends on energy, oil being one of the main sources. Not the only matter at

> IMHO it's simple: current farming depends on oil Valid point, though everything depends on energy, oil being one of the main sources. Not the only matter at hand though soil degradation, pesticide resistant pests, water pollution, ... We actually have no quantitative problems for now: we waste over 30% of the food production, part of it being expensive food (meat, bananas, etc). See http://www.fao.org/save-food/en/ http://www.fao.org/save-food/en/ So yeah, we can afford some optimizations while researching for sustainable solutions.