A full-scale shift toward healthier diets, combined with improved farm productivity and a halving of food waste, could reduce global agricultural land use roughly 6% by 2050 – an area the size of India – and lead to a 42% decline ($630 billion) in global livestock production value, according to a sweeping new analysis published in the May edition of Nature.
That reversal would be historically unprecedented, marking one of the first sustained contractions in farmland in modern history. The reason is straightforward but profound: a world that eats differently, farms differently.
“This work underlines that the scale of this change is huge and the policy ambition has to be commensurate with the challenge,” said Matthew Gibson, former postdoctoral associate in the Food Systems and Global Change research group in the
@CornellCALS Ashley School of Global Development and the Environment. “We have to think about a coordinated push involving governments, industry, and consumers alike.”
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ALT A split image shows a grassy field with cows grazing on the left and a leafy crop field on the right. In the center, a green globe map is overlaid, depicting continents.