"What if there is no one to farm? KAIST reveals a hidden risk to future food security (IMAGE)
Caption
Distribution of future cropland supply control factors under the high-growth, high-emissions scenario (SSP5–RCP8.5), including the dominant control factor by region (purple hexagons: labor-controlled; gray hexagons: transition of the dominant control factor from labor to environmental suitability) and the timing of control-factor transitions where applicable. The figure also presents the cumulative mismatch between cropland supply potential constrained by labor availability and that constrained by environmental suitability, together with region-specific indicators related to agricultural labor dynamics. Across most of Africa, with the exception of North Africa, environmental suitability is projected to become the primary control factor owing to increases in both agricultural labor availability and the population aged 15 years and older. In contrast, East Asia and Eastern Europe are projected to remain primarily labor-constrained despite rapid technological progress, as declining working-age populations are expected to reduce the availability of agricultural labor.
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KAIST
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