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flag Heat stress from climate change has cut India’s migrant workers’ productivity by 10% in 40 years, with losses up to 35% in hot regions.

flag Heat stress from rising temperatures has reduced productivity among India’s migrant workers by 10% over the past 40 years, a study in Earth's Future finds. flag Researchers from IIT Gandhinagar analyzed climate and migration data, showing increased wet bulb temperatures in major urban centers like Mumbai, Delhi, Kolkata, and Hyderabad. flag Outdoor workers in regions such as Chennai and West Bengal face up to 35% productivity loss when temperatures exceed 28°C. flag With global warming, labor capacity could drop to 71% at 3°C and 62% at 4°C of warming, threatening the health and economic stability of millions of migrants.

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