Key Points
The research, published in the journal Global Change Biology, predicts that other regions in southeast and south Asia, west and central Africa, and northern South America are expected to see physical work capacity reduced to 70 per cent...
Assessments consistently conclude that climate change will reduce crop yields making food security challenges worse, said study lead Gerald Nelson, a professor at the University of Illinois in US...
The study involved using computational models to predict the physical work capacitydefined as an individuals work capacity relative to an environment without any heat stressunder different predicted climate change scenarios...
The maximum work capacity achievable by individuals in a cool climate was used as the benchmark for the studyrepresenting 100 per cent physical work capacity, the researchers said.. Reductions in capacity mean people are limited in what they can physically do, even if they are motivated to work..
The study shows that agricultural workers are already feeling the heat, with half the worlds cropland farmers estimated to be working below 86 per cent capacity in recent past (19912010) climate conditions...
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