Sun, Nov 24, 2024
On November 15, Delhi’s air quality spiraled into the "severe-plus" category, a poisonous Grade 4 level of pollution, rendering the city nearly uninhabitable. With an AQI above 450 in several areas, residents awoke to a toxic haze that stung the eyes and burned the throat. Schools were closed, offices shifted to remote operations, and health advisories warned against stepping outdoors.
This grim scenario is not just an environmental crisis but an existential threat to the city's 20 million inhabitants. Multiple warnings and restrictions were put in place — primarily crisis-based responses, rather than precautionary or preventive measures — highlighting a reactive rather than proactive approach to managing the crisis.
This is no longer an isolated event for Delhi. Cities across India are suffocating under the weight of unchecked urbanisation, weak regulatory enforcement and climate vulnerabilities. The question arises: Can urban planning and policy innovation reverse this catastrophic trend?
Why India’s Cities Are Turning into Gas Chambers
India’s urban air pollution crisis stems from a mix of geographical, climatic and anthropogenic factors. Delhi, located in the Indo-Gangetic plains, is uniquely vulnerable due to temperature inversions during winter. This meteorological phenomenon traps pollutants close to the surface, creating a suffocating smog that worsens as emissions from vehicles, industries and construction activities accumulate.
The capital’s 11 million registered vehicles contribute significantly to nitrogen oxides and particulate matter, while patchy public transport leaves residents heavily reliant on private vehicles. Construction dust remains largely unchecked, with regulatory lapses compounding the issue. To this mix is added the annual stubble burning in neighbouring Punjab and Haryana, where over 10 million acres of crop residue are set ablaze post-harvest, releasing vast amounts of particulate pollution.
This problem is not unique to Delhi. In January 2023, as well as this year, Mumbai experienced its worst AQI in years, with levels spiking due to unchecked construction and industrial activity. Kolkata, too, consistently records AQIs above 200, driven by vehicle emissions and rampant garbage burning. Even Bengaluru, often lauded as a more “livable” city, has seen AQI levels reach unhealthy zones due to urban sprawl and deforestation.
From Haze to Hope: Integrating Urban Planning With Policy
The solution to India’s air crisis lies not in isolated measures, but in weaving urban planning and policy into a cohesive framework. Cities are not just epicenters of emissions — they’re the battlegrounds where transformative change can take root.
Dr Sunita Narain, Director-General of the Centre for Science and Environment, sets the stage: “Delhi’s air is shaped as much by its vehicles as by agricultural practices in neighbouring states. Without a regional air-shed management plan, we’re merely firefighting.”
This perspective hits home — pollution knows no boundaries, and tackling it requires cooperation across city and state lines.
Enter Megha Jain from the World Resources Institute (WRI), who drives the point further: “Delhi can’t tackle its pollution without aligning efforts with neighbouring states. We need a broader regional strategy, like synchronised emissions monitoring, to ensure that one city isn’t just cleaning up the mess another is creating.”
This calls for breaking down silos and joining forces on practical measures like unified transport systems and shared air quality data. The goal? A true partnership for cleaner skies.
Integrated Transport Systems
Picture this: A bustling city where public transport is not just efficient but irresistible to commuters. This dream isn’t far-fetched — Singapore made it a reality by marrying bus rapid transit systems with pedestrian-friendly streets and cycling infrastructure.
India’s cities, on the other hand, remain fragmented. Take Delhi’s Metro: Impressive in its reach, but hobbled by poor integration with buses and last-mile connectivity. To cut vehicular emissions, urban planning must prioritise expanding public transport and incentivising its use — think subsidies, congestion pricing or car-free zones.
Emission Controls, Technological Interventions
Let’s talk tech. Stricter emission norms and cleaner fuel standards like Bharat Stage VI (BS-VI) are steps in the right direction, but they’re not enough. Anushka Gupta from TERI (The Energy and Resources Institute) emphasises: “Technology can help pinpoint pollution hotspots, so we can design urban spaces that include effective buffer zones or more suitable land-use plans to minimise emissions, especially from construction or industrial activities.”
Meanwhile, transitioning to electric vehicles (EVs) and developing robust charging infrastructure could be game-changers. Beijing’s success story — where such measures were paired with urban afforestation projects — proves that even heavily polluted cities can reclaim cleaner air.
Green Urbanism
Imagine walking through a neighbourhood transformed into a lush oasis of trees and green roofs. This is not utopia, it’s Ahmedabad’s Heat Action Plan in action. Green infrastructure not only cools urban heat islands, but also acts as a natural filter for dust and pollutants.
Yet, India’s efforts remain patchy and small-scale. Public-private partnerships can amplify the impact, turning pollution hotspots into green zones that breathe life into suffocating cities.
Stubble Burning: Breaking The Cycle Of Agricultural Pollution
Come winter, stubble burning turns Delhi’s skies into a hazy nightmare. Despite the availability of solutions like bio-decomposers and Happy Seeders, farmers face hurdles — high costs and insufficient incentives.
Dr Ashok Gulati, an agricultural economist, lays it out: “Farmers need viable alternatives and financial support.” Subsidies for cleaner technologies, penalties for burning, and even innovative ideas like carbon credits for sustainable practices, could break the cycle. An innovative approach could involve carbon credits for farmers, rewarding them for sustainable practices.
Reimagining Indian Cities
The global stage offers hope. Stockholm’s congestion pricing system not only reduced traffic, but also funded public transport upgrades. Tokyo’s stringent low-emission zones curbed industrial pollutants. Beijing, once synonymous with smog, implemented a multi-pronged strategy involving coal reduction, afforestation and electric transport, achieving a 35 per cent improvement in air quality within six years. Indian cities can adapt these solutions by customising them to local needs and socio-economic contexts.
Clearing The Air: A Collective Call To Action
The stakes couldn’t be higher. The crisis gripping India’s cities is not insurmountable. It demands bold action and collaborative efforts across sectors and regions. Policy frameworks need accountability mechanisms to ensure AQI targets are met. At the same time, public participation — ranging from behavioural changes to citizen-driven green initiatives — is vital.
Urban planning and policy innovation must transform India’s cities into sustainable ecosystems where development and livability coexist. The stakes are too high to delay: Without decisive action, India’s urban future will be as toxic as the air its citizens struggle to breathe. The time to act is now.