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Even if climate change open up more land for agriculture near the Arctic circle, I don't think that fertile soil will magically move there.

Are we going to try to move billions tons of soil ? That does not seem really feasible. So all in all we are going to see the total surface of arable land diminishes in the coming decades.

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That said, about 40% of arable land is currently being used to grow cattle fodder. So there's a big opportunity here: if we drastically reduce our meat consumption (especially beef and lamb), which is not a huge effort, we can significantly reduce GHG emissions, stop deforestation, and reclaim arable land.

Every stat I hear about meat production is shocking. 40% is lunacy. For anyone interested, the book, Diet for a Hot Planet takes a close look at this topic.

The wind and animals carry around the seeds and bacteria needed for soil to happen naturally. It takes some time though, not sure how long.

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