Pollution in India has become a growing menace, wearing many disguises across the seasons. During Deepawali, the bursting of crackers fills the air with smoke and toxic particles, turning celebration into suffocation. As winter deepens, stubble burning in the northern plains adds its own thick layer of haze, aggravating an already dire situation. Fossil-fuelled cars, even when they pass official pollution tests, continue to be blamed for adding invisible emissions to the atmosphere.
And now, even the much-touted electric vehicles ~ preferred as the clean alternative ~ carry hidden hazards in the form of battery risks, unsafe charging, and disposal challenges. The truth is that all these sources, whether festive, agricultural, or technological, converge into one problem: polluted air and poisoned soil. We cannot afford to treat crackers as culture, stubble burning as compulsion, or EVs as unquestioned progress without acknowledging their collective impact. True celebration lies in light, not smoke; true innovation lies in responsibility, not hidden emissions.
The larger challenge of pollution cannot be solved by restraint in one area alone ~ it demands a rethinking of how we celebrate, how we farm, and how we travel. Electric vehicles (EVs) are often hailed as the answer to this crisis, promising cleaner streets, reduced dependence on fossil fuels, and quieter roads. Olive green number plates are now a common sight, signalling a shift toward cleaner mobility. Consumers are excited, manufacturers are thriving, and policymakers hail them as a solution. Yet beneath the optimism lies a complex reality: just as crackers add smoke to our skies, batteries and charging systems can add new risks to our environment.
Both are part of the same problem ~ pollution in different forms ~ and both demand honesty, responsibility, and innovation if we are to breathe easier. Lithium-ion batteries are the beating heart of EVs. They are popular because they store a lot of energy in a small, light package. Inside, they have two ends called electrodes, separated by a thin film and filled with a liquid that allows lithium ions to move back and forth. When charging, the ions move one way; when discharging, they move back, releasing energy to power a car or a phone. This simple shuttle of ions makes them efficient and reliable.
But if the battery overheats, is overcharged, or damaged, the delicate balance can break, sometimes leading to fires or explosions. India has already seen such dangers firsthand. In November 2025, an electric car caught fire near Hyderabad’s NTR Stadium, spreading flames to a nearby vehicle before fire fighters contained it. Investigators suspected overheating or a short circuit. The incident was not isolated ~ similar EV fires have been reported in recent years, prompting the government to announce new fire safety rules in September 2025. These rules mandate stricter testing and thermal protection, underscoring that safety cannot be treated as optional.
Different types of lithium batteries offer different trade-offs. Some are designed for maximum energy storage, giving cars longer driving range but making them more sensitive to heat. Others, like lithium iron phosphate (LFP) batteries, are safer and longer-lasting, though they store less energy. Engineers constantly balance safety, cost, and performance. In India’s hot climate and with frequent voltage fluctuations, safety features such as proper cooling systems and reliable charging equipment are especially important. The environmental story begins long before a battery is placed inside a car.
Mining lithium and other metals like cobalt and nickel is resource-intensive. It can damage ecosystems, pollute water, and erode soil. Workers often face unsafe conditions. India’s discovery of lithium reserves in Jammu & Kashmir and Karnataka offers hope for reduced imports, but it also raises concerns about responsible mining. If extraction is careless, the damage to land and communities could outweigh the benefits of clean energy. Globally, the race for lithium has already triggered ecological strain. South American countries like Chile and Bolivia have faced water shortages due to brine extraction.
African nations grapple with exploitative mining practices that endanger workers and ecosystems alike. India’s entry into this race must be cautious, learning from international experiences rather than repeating mistakes. The dream of clean energy cannot be built on the ruins of fragile ecosystems or the exploitation of vulnerable communities. Once in use, batteries pose other challenges. Charging infrastructure in India is still developing, and many households improvise unsafe setups. Disposal is another looming crisis. Old batteries, if not recycled properly, leak harmful chemicals into soil and water. Recycling technologies exist ~ some melt batteries to recover metals, others dissolve them in solutions, and newer methods try to reuse parts directly ~ but India needs stronger systems to collect and process used batteries safely. The health impact of pollution and unsafe batteries is immediate, felt in homes and hospitals alike.
EV batteries, while cleaner at the tailpipe, bring their own health risks if not managed responsibly. Fires caused by overheating or faulty charging release toxic fumes, including hydrofluoric acid and other harmful compounds, which can endanger first responders and nearby residents. Informal recycling practices ~ where workers dismantle batteries without protective gear ~ expose them to heavy metals and corrosive chemicals, leading to long-term respiratory and neurological damage. Without proper regulation, the very technology meant to reduce pollution can create new hazards for human health. Ensuring safe design, certified charging, and regulated recycling is therefore not just an environmental imperative but a public health necessity.
Globally, recycling is becoming a critical industry. A 2025 report projected the lithium-ion battery recycling market to grow from $7.3 billion in 2024 to $23.9 billion by 2030, driven by EV adoption and renewable energy storage. Countries like China are leading with advanced recycling technologies, while collaborations such as the Hungary-China Battery Recycling Cooperation Workshop (November 2025) aim to build full-cycle ecosystems. Researchers at Rice University in the US have even developed a “recharge-to-recycle” reactor that turns battery waste into new lithium feedstock more cleanly than traditional smelting or acid-based methods.
These examples show that solutions are possible ~ but they require investment, regulation, and global cooperation. There is hope in innovation. Researchers are working on “solid-state batteries,” which replace the liquid inside with solid materials. These designs could be safer and store more energy, though they are still expensive and difficult to manufacture. Another promising idea is “second life” for EV batteries: when they are no longer strong enough for cars, they can still be used to store solar or wind energy for homes and buildings. This extends their usefulness and reduces waste. Policy and planning are crucial. Safety standards must ensure batteries can withstand heat and stress. Charging stations must be built with proper grounding and fire protection.
Insurance must evolve to cover EV-specific risks. Mining licenses must include environmental safeguards and community benefits. Recycling must be made mandatory and traceable, with manufacturers held accountable for the full life cycle of their products. For us, responsibility is cultural as much as technological. Just as we must delink crackers from Deepawali, we must delink blind consumerism from progress. Owning an EV should not be seen as a badge of modernity unless its battery is safe, its charging is responsible, and its disposal is accounted for. Celebrating festivals should not be equated with smoke and noise unless we are willing to pay the price in damaged lungs. Ultimately, the challenge is not just about machines ~ it is about conscience.
Can we celebrate without choking our neighbours? Can we innovate without sacrificing ecosystems? Can we mine without endangering workers? The answers lie not in denial but in choice. Light, not smoke, must define our festivals. Progress, not peril, must define our mobility. Sustainability, not exploitation, must define our future. Every winter haze is a reminder that our festivals, our vehicles, and our technologies are all interconnected in the fragile web of air, soil, and water; a reminder that responsibility begins not with grand declarations but with small acts of restraint, and also a lesson that the future we leave behind will be judged not by the brilliance of our lights, but by the clarity of our skies. As Robert Swan aptly said “The greatest threat to our planet is the belief that someone else will save it.”
(The writer is a retired Air Commodore, VSM, of the Indian Air Forcej