By Dipak Kurmi
As the autumn air grows crisp and the anticipation builds across millions of households in India and throughout the global Indian diaspora, preparations intensify for one of the most cherished celebrations in the Hindu calendar—Diwali, the Festival of Lights. This five-day extravaganza, which symbolizes the triumph of light over darkness and good over evil, has been celebrated for millennia with religious fervor, familial warmth, and exuberant festivities. However, as we stand at the crossroads of tradition and environmental consciousness, this ancient festival finds itself at the center of a crucial conversation about sustainability, climate responsibility, and the delicate balance between cultural heritage and ecological preservation.
Diwali occupies a unique position in the tapestry of Indian cultural celebrations, bringing together families across continents as they observe religious rituals, share meals, exchange gifts, and illuminate their homes with countless lights. The festival’s traditional observance spans five days, each with its own significance and prescribed rituals. The days leading up to Diwali are marked by solemn prayers, thorough cleaning and decorating of homes, and preparations for the grand celebration. As Diwali morning unfolds with sacred ceremonies and worship, the atmosphere undergoes a dramatic transformation when evening descends. What begins as a contemplative, spiritual observance transforms into a spectacular celebration as darkness falls, with homes ablaze in brilliant illumination, streets echoing with songs and laughter, and the night sky erupting in cascades of color from endless fireworks displays.
The sensory experience of a traditional Diwali celebration is nothing short of overwhelming. The air fills with the acrid smell of gunpowder, the deafening cacophony of exploding firecrackers, the visual spectacle of rockets shooting skyward leaving trails of sparks, and the unbridled joy of children and adults alike reveling in the pyrotechnic display. For generations, this combination of light, sound, and celebration has been synonymous with Diwali itself, an integral component that many consider non-negotiable in marking the festival appropriately. The crackling of firecrackers and the boom of aerial fireworks have become as much a part of Diwali’s identity as the oil lamps and sweet delicacies that accompany the celebration.
Yet this cherished tradition now faces mounting scrutiny and criticism from environmental activists, health professionals, and increasingly aware citizens who recognize the devastating impact these celebrations have on air quality and public health. The correlation between Diwali fireworks and a dramatic spike in pollution levels has been extensively documented, with several Indian cities experiencing hazardous air quality indices in the days following the festival. Cities like Delhi, Mumbai, and Kolkata, which already struggle with poor air quality throughout much of the year, witness pollution levels surge to dangerous heights during Diwali celebrations, creating a public health emergency that affects millions of residents, particularly vulnerable populations including children, the elderly, and those with respiratory conditions.
The environmental implications extend far beyond the immediate aftermath of the celebration. In an era where climate change represents an existential threat to human civilization, and when international agreements call for urgent action to reduce carbon emissions and environmental degradation, the question of whether traditional celebrations can continue in their current form becomes increasingly pressing. Environmental advocates argue persuasively that individual actions matter, that collective behavioral changes can produce meaningful results, and that cultural practices must evolve to reflect our contemporary understanding of environmental stewardship. They contend that every person bears responsibility for reducing their carbon footprint, and that this obligation extends to how we celebrate our most cherished festivals and traditions.
This call for change has not been merely rhetorical. Concrete alternatives have emerged, offering pathways to celebrate Diwali while significantly reducing environmental harm. The Indian National Environmental Engineering Research Institute has pioneered the development of green crackers, innovative pyrotechnic products designed to minimize environmental damage while preserving the festive experience. These environmentally conscious alternatives utilize recycled paper in their construction and eliminate harmful chemicals, most notably barium nitrate, which produces the dense, toxic smoke characteristic of traditional firecrackers. Furthermore, these green crackers generate sound levels substantially below the ear-splitting 160 decibels produced by conventional fireworks, adhering instead to standards established by the Noise Pollution Control Board. For families feeling pressure from children eager to participate in the explosive festivities, these green crackers represent a reasonable compromise between tradition and responsibility.
The movement toward sustainable Diwali celebrations encompasses far more than just addressing the firecracker issue. A comprehensive reimagining of how we observe this festival involves examining every aspect of the celebration and identifying opportunities to reduce environmental impact. Consider the seemingly simple matter of illumination, which lies at the very heart of this Festival of Lights. The proliferation of electric lighting has transformed Diwali decorations, with homes festooned in elaborate displays of bulbs, LED strips, and illuminated decorations consuming vast amounts of electricity. However, returning to traditional earthen lamps, known as diyas, offers an elegant solution. These small clay vessels filled with oil and fitted with cotton wicks produce minimal pollution while consuming zero electricity. Unlike their modern counterparts, earthen diyas are reusable, sustainable, and biodegradable, embodying principles of conservation that align perfectly with environmental values.
The contrast with alternatives illuminates the wisdom of this traditional choice. Candle diyas, now widely popular, present as convenient options but reveal significant drawbacks upon closer examination. Being petroleum-based products, they can be used only once before disposal. During combustion, they release toxins into the air, contributing to indoor and outdoor air pollution. Electric diyas and incandescent bulbs, while reusable, demand substantial energy consumption, whereas energy-efficient LED and CFL alternatives offer better options for those unwilling to abandon electric lighting entirely. The choice of lighting becomes not merely aesthetic but reflects deeper commitments to environmental sustainability.
The decorative elements that adorn homes during Diwali similarly present opportunities for environmentally conscious choices. The vibrant floor patterns called rangolis traditionally welcome guests and celebrate the festival’s beauty. However, the commercial rangoli color powders readily available in markets often contain synthetic dyes and chemicals that can harm the environment. Creating rangolis using fresh flowers, rice paste, or dry rice flour returns to authentic practices while eliminating chemical pollution. These natural materials decompose harmlessly, unlike their artificial counterparts which may persist in the environment or contaminate water sources.
Door hangings, or torans, represent another decorative tradition ripe for sustainable reinvention. The market floods with mass-produced plastic decorations each Diwali season, creating tremendous waste and contributing to the global plastic crisis. However, handcrafted alternatives using colorful fabric, particularly repurposing vibrant dupattas and sarees, offer beautiful, reusable options that honor both tradition and environmental stewardship. These cloth decorations can be preserved and reused for years, or even passed down through generations, creating meaningful connections while reducing waste.
Creative alternatives to traditional firecrackers demonstrate that celebration need not require environmental destruction. Filling colorful balloons with glitter and confetti, then bursting them to create a shower of color and sparkle, provides visual excitement and participatory fun without the pollution, noise, or safety hazards of conventional fireworks. While admittedly different from traditional pyrotechnics, such innovations preserve the spirit of joyful celebration while protecting the environment and public health.
The exchange of gifts during Diwali, another cherished tradition, generates substantial waste through packaging materials. Plastic gift bags and glossy wrapping paper, often containing plastic backing, create mountains of non-biodegradable trash. Utilizing cloth bags, creative natural wrapping materials, and reusable containers transforms this practice into an environmentally positive activity. The extra effort required becomes itself a gift, demonstrating care both for the recipient and for the planet we all share.
Even the preparation and distribution of sweets and delicacies presents opportunities for environmental consciousness. While convenient, purchasing sweets from commercial vendors involves excessive packaging, artificial colors, and preservatives. Preparing traditional recipes at home and sharing them using reusable steel or glass containers eliminates this waste while adding personal touches that enhance the gift’s meaning and value.
The transition toward sustainable Diwali celebrations requires neither abandoning tradition nor diminishing the festival’s joy and significance. Rather, it demands thoughtful reconsideration of how we honor these traditions in ways that acknowledge our responsibility to future generations. The essence of Diwali—celebrating light’s victory over darkness—takes on profound new meaning when we recognize that protecting our environment represents precisely such a battle. By choosing sustainable practices, we illuminate a path forward that honors both our cultural heritage and our planetary home, ensuring that future generations can celebrate this magnificent festival in a world still capable of sustaining life, beauty, and joy.
(The writer can be reached at dipakkurmiglpltd@gmail.com)
