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Abstract As a developing country, one of the important objectives of India is to accelerate economic growth. This has a considerable impact on CO 2 emission. Life expectancy has a probable connection with CO 2 emission in two opposite ways. Given technological status, more CO 2 emission consequents upon more production of output and higher income level which is likely to affect the life expectancy of people in a positive way. Conversely, CO 2 emission is one of the important air pollutants that may reduce the span of human life. This paper aims to investigate the net impact of CO 2 on life expectancy in India. Furthermore, the study seeks to search whether India has surpassed the optimal limit of CO 2 emission in relation to life expectancy. Using World Bank time series data for the period 1991–2018 and applying ARDL cointegration technique, the study concludes the existence of a long-run and quadratic relationship between life expectancy and CO 2 emission. The study finds that India has already surpassed its optimal atmospheric concentration of CO 2 and thereby suggests adopting CO 2 reduction strategies.
Das et al. (Sat,) studied this question.