From one piece Saving the world from bad ideas: the continuing failure of food ecomodernism 6 beliefs, in the piece's order there
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a more relevant metric in the long term is the cost, not the efficiency, of food production methods at sustainable levels of energetic and material throughput.
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korrents.com
Today's level of city living depends on cheap fossil fuels and is unlikely to survive without them.Their words
However, in our non-ideal biophysical reality, present levels of urbanism are unlikely to be sustainable without cheap fossil fuels, and the human cost of that could be horrific unless we address it urgently.
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but I do think that in a future of probable energy constraint there will be a need for a more peopled agriculture, with populations spreading out to tap diffuse solar energy input.
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korrents.com
"Food from thin air" is not from thin air: it runs on water, minerals, ammonia and industrial plant.Their words
Another is that it isn’t ‘food from thin air’ as is often claimed – as well as the high energy use, it’s food from a lot of tap water, minerals, ammonia and industrial infrastructure.
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Agriculture is the only major sector that at present is significantly energised directly by zero cost and zero carbon sunlight.
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To meet the global population’s protein needs through factory-produced bacterial protein in 2024 would have used more than the total global electricity generated using renewable (hydro, photovoltaic and wind) energy