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Study shows that the majority of Indian districts are at high risk for heatwaves.

A study found that nearly 60% of Indian districts, which are home to about three quarters of the country's population, face an "extremely high" risk of extreme heat. The rising temperatures at night and the increasing humidity also compound the impact on health.

The report, released on Tuesday, by the New Delhi-based Council on Energy, Environment and Water think tank analysed climate, infrastructure, and health data to calculate a score for heat risk.

The study revealed that "roughly 57 percent of Indian districts, which are home to about 76 percent of India's population, currently face a high or very high heat-related risk," with New Delhi, the capital, having the highest heat-related risk.

This study is being released as parts of North India continue to experience heatwaves and extreme heatwave conditions. Scientists say that climate change has exacerbated the trend of soaring temperatures in South Asia, which affects billions of people every year.

The study also highlighted a rise of relative humidity in north India, even in traditionally arid areas, which worsens the heat stress on human bodies by slowing down the sweating process and making it more difficult to release heat when temperatures soar.

The study recommends that states share heat action plans and consider other factors like humidity or demographics when planning heat risk.

India's northwestern and east parts experienced more than double the normal number of heatwaves days between March 1 and 18 last year. (Reporting and editing by Conor Humphries in New Delhi, Surbhi Misra in New Delhi, Sakshi Dayal)

(source: Reuters)