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What part of losing a bushel and a half of soil per bushel of corn produced don't you understand as a massive problem?
What part of depleting aquifers don't you understand to be unsustainable?
What part of dead zones in the ocean pointing to obvious failure?
How can we deplete phosphorus mines, and continue to do what we are doing?
What part of massive production of nitrous oxide - which is eight times more powerful a greenhouse gas than methane - doesn't point to climate change way beyond the ability of crops to be sustainable?
What we are doing is not sustainable - that means it will fail.
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