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Well, even if we build as many nuclear power plants as possible, without oil, we're not going to have enough fertilizer to feed 7 billion people. And we're not going to have enough precious metals to make battery powered cars and trucks.

Are genuinely that pessimistic?
Or are you provoking a response ?

If we stop eating meat, we might be able to sustain about 1 billion souls.

It's going to be one long bloody game of musical chairs.

I believe we have enough meat!
I certainly will not eat lab grown meat.