alt Hacker NewsNo, mass starvation would not ensue from having to fight weeds using mechanical means. It would take more work and more fuel, but it is eminently doable if the need is there. Especially if the change would be gradual.
Making do without artificial fertilizer would be a lot harder.
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gustavus • yesterday at 4:46 PM
Increased work and fuel means increased costs, increased costs means increased prices, increased prices means less food available for purchase by those on the margins, less food means starvation.
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Increased fuel means a lot more CO2. That is a very significant factor you cannot ignore.