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Climate change hazards could impact India’s Gross Domestic Products (GDP) in a “non-linear” way by 2030, a McKinsey Global Institute report has maintained. Extreme heatwave and humid conditions could potentially cause a reduction in the GDP between 2.5 and 4.5 per cent, the report stated as it highlighted the unrecognised non-linear aspects of climate change. The report attributed the GDP reduction to lethal heatwave that would drastically bring down working hours and lead to decline in labour productivity by as much as 15 per cent during days by 2030. The report further estimated by 2050, both the intensity and exposure to lethal heatwaves, as well as the impact on outdoor work could continue to increase in a non-linear way.