New Delhi: Burning of crop residue, a common practice by Punjab and Haryana farmers, leads to an estimated economic loss of over $30 billion annually, besides being a leading risk factor for acute respiratory infection, especially among children, researchers said on Monday (March 4). The study at the International Food Policy Research Institute (IFPRI) and its partner institutes estimated the economic cost of exposure to air pollution from crop residue burning at $30 billion, or nearly Rs. 2 lakh crore annually, for the three northern states of Punjab, Haryana and Delhi.
In five years, the economic loss due to burning of crop residue and firecrackers is estimated to be $190 billion, or nearly 1.7 per cent of India’s gross domestic product.
Smoke from the burning of agricultural crop residue by farmers in Haryana and Punjab contributes to Delhi’s poor air, increasing the risk of acute respiratory infection by three-fold for those living in districts with intense crop burning.
Poor air quality is a recognized global public health epidemic, with levels of airborne particulate matter in Delhi spiking to 20 times the World Health Organization’s safety threshold during certain days, IFPRI Research Fellow and the study co-author Samuel Scott said.
The study, “Risk of acute respiratory infection from crop burning in India: Estimating disease burden and economic welfare from satellite and national health survey data for 250,000 persons”, is co-authored by IFPRI’s Avinash Kishore, CGIAR (formerly the Consultative Group for International Agricultural Research) Research Programme on Agriculture for Nutrition and Health’s Devesh Roy, University of Washington’s Suman Chakrabarti, and Oklahoma State University’s Md. Tajuddin Khan.
It will be published in the upcoming edition of the International Journal of Epidemiology.
The study used NASA satellite data on fire activity to estimate the health impact of living in areas with intense crop burning by comparing them with areas not affected by crop residue burning.
The researchers observed that as crop burning increased in Haryana, respiratory health worsened.
Health was measured by the frequency of reported hospital visits for acute respiratory infection symptoms. They also examined other factors that could contribute to poor respiratory health such as burning firecracker during Diwali (it usually coincides with the time of crop residue burning) and motor vehicle density.
In fact, economic losses owing to exposure to air pollution from firecracker burning are estimated to be around $7 billion, or nearly Rs 50,000 crore a year.
Severe air pollution during winter months in northern India has led to a public health emergency. Crop burning will add to pollution and increase healthcare costs over time if immediate steps are not taken to reverse the situation. The negative health effects of crop burning will also lower the productivity of residents and may lead to long-term adverse impacts on the economy and health, said Suman Chakrabarti.
“Our study shows that it is not only the residents of Delhi, but also the women, children and men of rural Haryana who are the first victims of crop residue burning,” Mr Kishore added.
Crop burning is a widespread global practice and in India, it is concentrated in northwest India, though has spread to other regions of the country in the past decade as new crop harvesting technology is adopted.
Farmers try to maximize their yields by planting the next crop as soon as possible after the previous crop has been harvested (generally wheat after rice).
To quickly clear the field for the next crop, they burn the leftover stubble rather than using the traditional method of clearing it by hand.
NDTV – Dettol Banega Swachh India campaign lends support to the Government of India’s Swachh Bharat Mission (SBM). Helmed by Campaign Ambassador Amitabh Bachchan, the campaign aims to spread awareness about hygiene and sanitation, the importance of building toilets and making India open defecation free (ODF) by October 2019, a target set by Prime Minister Narendra Modi, when he launched Swachh Bharat Abhiyan in 2014. Over the years, the campaign has widened its scope to cover issues like air pollution, waste management, plastic ban, manual scavenging and menstrual hygiene. The campaign has also focused extensively on marine pollution, clean Ganga Project and rejuvenation of Yamuna, two of India’s major river bodies.
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