CITIES originated as safe, convenient hubs with access to work, culture and nature.
Today, they feature infrastructure and services to improve living standards and economic prospects. Yet the way these systems are planned determines whether cities are engines of prosperity or places of social and ecological crisis. Without sustainability, cities can become dangerous for their residents. Unsustainable urbanisation often leads to environmental degradation, law and order issues, urban flooding, inequality and inefficient transport systems. When cities fail to embody these characteristics, they risk becoming unsafe, unhealthy and unjust.
Sustainability also requires equity. Zachary Lamb and Lawrence Vale’s The Equitably Resilient City argues that resilience cannot ignore social justice. Their model identifies four domains necessary for equitable resilience: environmental safety and vitality, security from displacement, stable and dignified livelihoods and enhanced self-governance. Many adaptation schemes exacerbate inequalities; equitable resilience requires that climate responses empower rather than displace vulnerable communities.
Some cities have embraced sustainability. Medellín in Colombia responded to severe air pollution and rising temperatures by launching the Green Corridor initiative in 2016. The project transformed 18 roads and 12 waterways into an interconnected 20km network of shaded green corridors. In three years, the corridors reduced the city’s average air temperature by 3.5 °C and average surface temperature by 10.3 °C. Greening also reduced energy use for cooling and cut fine particulate matter: between 2016 and 2019, PM2.5 levels fell by 1.55 µg/m³ and respiratory infection rates dropped markedly. The initiative combined temperature control, greenhouse gas reduction, air quality improvement, noise reduction and biodiversity enhancement and won the 2019 Ashden Award for “Cooling by Nature”.
Lahore, the cultural heart of Pakistan and its provincial capital, illustrates the stakes of urban sustainability. The city’s population exploded from 3.97 million in 1990 to over 14 million in 2024. Rapid growth has transformed land use; built-up area increased from 27% in 1990 to 40% in 2020 and is projected to exceed 75 % by 2048. Vegetation cover dropped from 59% to 34% between 1990 and 2020, while water bodies shrank from 4% to 2%. These changes created an urban heat island: satellite data show mean land surface temperatures rising from 14–28 °C in 1990 to 34–36 °C by 2018. Reduced green space and increased concrete surfaces also worsened smog; Lahore’s frequent smog episodes are directly connected to the loss of vegetation and the spread of hard surfaces.
Lahore’s status as an economic engine amplifies these challenges. The city contributes significantly to Pakistan’s GDP through textiles, pharmaceuticals, food processing, manufacturing and services. It is a transport hub: the Lahore Ring Road and motorways connect the city regionally and projects like the Metro Bus and Orange Line Metro Train provide some mass transit. Yet these efforts have not kept pace with growth. Lahore’s transport system still prioritises road construction, leading to severe traffic congestion.
Air pollution is a major threat. The IQ Air World Air Quality Report ranked Lahore as the most polluted city in the world in recent years, with PM2.5 concentrations rising from 86.5 µg/m³ in recent years to 97.4 µg/m³ —almost 20 times the World Health Organisation’s recommended limit of 5 µg/m³. This level of pollution poses severe health risks, contributing to respiratory illnesses and reduced life expectancy. The smog that envelops Lahore each winter forces school closures and disrupts economic activity. The IJERT review notes that Lahore’s environmental problems require integrated blue green infrastructure planning to mitigate urban heat and environmental degradation.
Lahore is increasingly vulnerable to flooding. The city’s drainage systems are inadequate; when heavy rains occur, roads flood and infrastructure collapses, exposing residents to waterborne diseases and economic losses. The IJERT review emphasises that Lahore’s development trajectory reflects weak enforcement of planning frameworks, leading to fragmented governance and socio-spatial inequities. Without holistic planning and enforcement, ad hoc development erodes resilience.
Transforming Lahore into a sustainable city requires strategic reforms informed by global best practices and grounded in equity. Based on the literature, several interconnected initiatives emerge: Lamb and Vale’s four domains—environmental safety, security from displacement, livelihoods and self-governance—offer guidance. Slum dwellers and informal settlers must be included in planning; upgrading informal settlements with services and secure tenure can reduce vulnerability while preventing displacement. Governance reforms should decentralize decision-making and empower communities.
The concept of resilient cities emphasises renewable energy, regenerative metabolisms and biophilic urbanism. Lahore should invest in distributed renewable energy (e.g., rooftop solar), promote energy efficient buildings and expand urban forests. Disaster preparedness plans must anticipate flooding and heat waves. A circular metabolism that recycles waste and water can reduce environmental pressures. Lahore’s Master Plans must be updated with enforceable sustainability targets. Transparent governance can curtail speculative development and protect green belts. Capacity building within municipal agencies and collaboration with universities and civil society are vital for designing and implementing evidence-based policies.
Lahore is one of South Asia’s most captivating cities — a place where history, culture, art and human warmth blend into a vibrant urban spirit. From its Mughal gardens to its literary cafés, from its bustling bazaars to its evolving skyline, Lahore carries a soul that a few cities possess. Yet its true potential remains only partially realised. Lahore can reimagine itself as a resilient, inclusive metropolis where residents thrive in harmony with their environment. The window for action is closing; without sustainable development, Lahore risks becoming uninhabitable within a decade. With determination and strategic planning, however, it can become a model for South Asian cities seeking to navigate the challenges of the twenty-first century.
—The writer is Commoner from 44th Common Educationist — Founder of WHI Institute.based in Sargodha.
