A few years ago I sold a chunk of land in order to diversify my family's holdings. Land prices have since sky-rocketed. I still contend that although "They don't make any more," land might some day be less valuable for food production.

Here is a radical possibility for food. It requires vastly less land than our current plant and livestock methods.

The Guardian: Embrace what may be the most important green technology ever. It could save us all.

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Laird family