Heat stress cost India $9 per tonne of CO2 in lost labour productivity in 2025

India suffered significant labour productivity losses due to heat stress in 2025. According to a study, the country lost nine dollars in productivity per tonne of CO2 emitted, highlighting the economic impact of climate change. This figure is lower than the global average of forty-one dollars per tonne, suggesting that India's economy is particularly vulnerable to heat-related losses. As a result, outdoor workers are likely to face increased pressure to adapt to extreme heat conditions.

Why it matters

Heat stress is causing significant labour productivity losses in India. This could lead to economic losses and impact the country's growth.

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