Climate change is expanding the amount of land suitable for farming in colder regions. While farming such areas could offset declines in crop yields elsewhere, it would also pose a threat to wild places once protected from cultivation by the cold.
While that shift could help offset climate-related declines in yields nearer to the equator, it could also pose a threat to vast wilderness areas and the intact ecosystems they host. They found that under a moderate emissions scenario, 1.85 million square kilometres of wilderness became newly-suited for at least one crop by mid-century. Under a very high emissions scenario, 2.75 million square kilometres of wilderness became farmable, amounting to 7 per cent of all the wilderness outside Antarctica.
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