Silent Cost Of Pollution to the Economy

At the World Economic Forum(WEF) in Davos, Harvard economist and former IMF Chief, Gita Gopinath, reinforced the unpopular opinion that Pollution poses a greater threat than tariffs to the Indian Economy. It is because while trade barriers can be reversed through policy decisions, chronic environmental degradation embeds itself into the production structure of the economy.

Illustration by The Geostrata

While the world speaks at length about trade wars and external factors influencing the economy, her comments have ignited and shifted global attention to an issue persistently raised by environmental Economists, showcasing how pollution today isn't a “trivial factor” but an economic emergency.

Each year, as thick haze settles over Indian states, pollution doesn't just remain an ecological issue - it turns into an economic burden with quantifiable costs across sectors. Gopinath’s intervention has drawn attention to the “hidden tax” that polluted air inflicts on the economic system. This article aims to analyse the cost of pollution by breaking it in four major economic channels: erosion of workforce productivity, systemic sectoral output losses, fiscal burden and long-term human capital erosion.

EROSION OF WORKFORCE PRODUCTIVITY

Pollution is a significant threat to productivity, particularly in labour-intensive sectors where workers cannot be sheltered from hazardous environments, and automation is impossible.

In India alone, 1.5 million people die as a result of long-term air pollution exposure every year; this represents approximately 18% of total deaths in the country. But the economic impact starts before mortality. The rising smog leads to higher absenteeism and also reduced labour efficiency, shrinking India’s productive workforce.

Studies conducted by World Bank Groups highlight strong negative correlation between pollution(pm 2.5) and labour productivity. In a labour intensive economy like India, such marginal productivity declines snowball into substantial output losses. The impact on the workforce is deeply uneven. Informal workers like street vendors, waste pickers, construction and landfill laborers, chronically exposed to toxic air experience elevated health risks. Studies show that over 90% informal workers  report sickness during high pollution episodes. Without the safety net of insurance or paid leave, these workers face a cycle of rising healthcare costs and dwindling earnings which directly drags down national GDP.

SECTORAL OUTPUT LOSSES

Pollution, particularly air pollution causes multi-sectoral output losses that significantly hamper economic growth. In the primary sector, pollution directly degrades natural resources such as soil, water and air which reduces agricultural and allied output. Researchers estimate that surface ozone could reduce wheat yields by up to 20% by mid-century under high emission scenarios which could hollow out rural incomes.

In the secondary sector, the impacts of pollution are felt by decreasing worker productivity and increasing the cost and difficulty of producing goods. It weakens industrial productivity and erodes competitiveness. In the tertiary sector which provides services to both consumers and businesses, pollution constrains service-led growth of the economy and reduces the attractiveness of cities for tourism, business, and skilled labour. The burden is again uneven and heavier in the informal sector, where illness translates into income loss and weakened consumption demand.

As demand for goods and services weakens, it leads to a cascading impact across sectors, forcing producers to shrink production, reducing incomes and further leading to reduced saving and lower expenditure. This forms a negative loop where one factor affects the other leading to a vicious cycle of economic loss. 

Certain sectors, like tourism too bear heavy brunt of polluted air. According to a study by the World Bank, air pollution costs India’s tourism sector a loss of $1.7 billion every year. This is not merely an abstract statistic, but a representative of the tangible loss incurred by families dependent on the sector. 

FISCAL BURDEN

Pollution costs the Indian government and economy an estimated ₹7 lakh crore to ₹10.7 lakh crore ($50–$150 billion) annually. It imposes a significant fiscal burden by raising public expenditure  in the form of massive expenditure on treating respiratory, cardiovascular and other pollution-related diseases. The government also spends on mitigating the impact of pollution.

To put things in perspective, in the 2026-27 fiscal year, the Government of India budgeted ₹1,091 crore (approximately $130 million) specifically for "Control of Pollution". The impact of this allocation is the opportunity cost of capital expenditure that could be used for stimulating the growth of the economy.  Apart from raising expenditure, pollution also erodes governments tax revenue.

India loses approximately 1.3 billion workdays annually due to pollution-related illnesses, costing businesses about $6 billion in direct absenteeism and $24 billion in "presenteeism".

Such losses directly reduce the income of individuals and corporations which are primary sources of direct taxes. It also reduces Indirect tax collections by reducing consumer spending. According to research, pollution results in a 1.3% reduction in general consumer spending in India because people are reluctant to go out when the air quality is poor thus creating increased spending for the government, while decreasing the tax revenue collected.  

LONG-TERM HUMAN CAPITAL EROSION

India is home to 140 of the world’s 200 most polluted cities. Beyond its immediate economic costs, pollution erodes India’s most valuable asset, which is its human capital. Chronic exposure beginning in prenatal and early childhood stages leads to stunted physical development and higher vulnerability to lifelong illness, all of which lower an individual’s productive potential in adulthood.

Growing evidence links air pollution to impaired cognitive development, which affects memory, attention and learning outcomes. Frequent illness and pollution-related disruptions to schooling further reduce skill accumulation during formative years.

Taken together, true growth rates in India have been an average of 50 basis points lower than reported rates since 2005 due to the negative consequences of pollution (Mohan et al., 2020). These effects undermine India’s demographic dividend, turning a potential growth advantage into a long-term economic constraint.

In a country that requires sustained high growth rates, pollution drags India's annual growth rate by several tenths of a percentage point. 

THE WAY FORWARD

Pollution is now not a peripheral issue; it is an economic liability. Unlike policy-induced liabilities like tariffs or trade shocks that can be changed by policy negotiations, environmental degradation is a problem that affects the labour market, sectoral output, fiscal stability and human capital. The costs are distributed and are invisible in annual growth figures, but are intertwined with long-term growth trends.

If India wants sustained high growth, demographic leverage and global competitiveness, it should not treat pollution as something that can be managed after growth is achieved. Clean air, therefore, is not an environmental luxury but a prerequisite for sustainable economic expansion.

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BY KAVYANJALI S TOMAR

TEAM GEOSTRATA

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