Environmental degradation has emerged as one of the most formidable challenges confronting South Asia in the twenty-first century. Across the region, climate variability, declining natural resources, deteriorating air quality, and rapid urbanisation have intensified ecological vulnerabilities and placed unprecedented pressure on public health, economic stability, and sustainable development. Among South Asian nations, Pakistan remains particularly exposed to the adverse consequences of environmental change. Recurrent floods, prolonged heatwaves, erratic monsoon patterns, worsening drought conditions, groundwater depletion, biodiversity loss, and hazardous levels of air pollution have transformed environmental concerns from peripheral policy issues into matters of national urgency.
The devastating floods of recent years, unprecedented temperature extremes, and recurring smog episodes in major urban centres have underscored the magnitude of Pakistan’s environmental crisis. Lahore, the provincial capital of Punjab and the country’s second-largest metropolis, frequently ranks among the world’s most polluted cities during the winter season. Seasonal smog, driven by industrial emissions, vehicular pollution, crop residue burning, and unfavourable meteorological conditions, has evolved into a severe public health emergency affecting millions of residents. Simultaneously, the depletion of groundwater resources and the increasing frequency of urban flooding reveal the complex and interconnected nature of Pakistan’s environmental challenges.
The World Bank estimates that climate change could reduce Pakistan’s GDP by up to 18-20 per cent by 2050 under high-emission scenarios.
Presented at an International Science Conference hosted by Government Graduate College for Women, Lahore, under the theme Exploring Emerging Trends: Integration with Community Progress, the studies conducted by students from The University of Lahore, named Umair Basharat, Mahnoor Shakeel, and Azeem Mushtaq, represented precisely the calibre of evidence-based scientific inquiry that Pakistan’s environmental governance apparatus requires. Their research, individually rigorous and collectively comprehensive, addresses three of the most consequential environmental challenges confronting the country: agricultural air pollution, urban groundwater depletion, and the compounded vulnerability of Lahore’s metropolitan environment.
Umair Basharat’s investigation into crop residue burning in Punjab’s District employs satellite imagery and Google Earth Engine to quantify a practice whose aggregate environmental consequences have long been underestimated. His findings are striking in their precision: approximately 387 square kilometres of agricultural land were affected by burning events in 2021, with a further 340 square kilometres recorded in 2023. Crucially, the study establishes a direct and measurable correlation between these burning episodes and elevated concentrations of sulphur dioxide, nitrogen dioxide, and carbon monoxide; peak values were consistently recorded during November and December, coinciding with the post-harvest season.
The policy implications are considerable. Emissions generated in peri-urban agricultural districts do not respect municipal boundaries; they migrate into and compound the already critical smog burden of Punjab’s major cities, including Lahore, which has repeatedly ranked among the world’s most polluted urban centres during winter months. While the Punjab government has introduced monitoring mechanisms and penalty structures targeting stubble burning violations, Basharat’s deployment of real-time satellite-based surveillance offers a scalable, cost-effective complement to ground-level enforcement-one that could materially strengthen regulatory compliance across the province’s vast agricultural belt. For environmental regulators and agricultural policymakers, his methodology constitutes a replicable model for emissions accountability.
Mahnoor Shakeel’s research addresses what many hydrologists consider Pakistan’s most insidious long-term environmental emergency: the depletion of urban groundwater reserves. Drawing upon machine learning techniques, satellite observations, and thirty-five years of historical environmental data, her analysis reveals that Lahore’s groundwater table is declining at an average rate of approximately three feet per annum, a cumulative loss exceeding 130 feet. Projections derived from her model indicate that, absent substantive intervention, the decline could reach 230 feet by 2030.
Perhaps most consequential is her finding regarding the relationship between extreme rainfall events and aquifer recharge. Contrary to assumptions embedded in certain policy frameworks, intense monsoon downpours provide only transient replenishment of depleted groundwater systems. Episodic precipitation, however severe, cannot compensate for decades of unsustainable extraction driven by rapid urbanisation and population growth. This evidence materially challenges any policy strategy that treats monsoon variability as a natural corrective to groundwater stress.
Shakeel’s research aligns with, and lends scientific weight to, the Punjab government’s recently announced initiative to construct 358 underground water storage tanks across the province; a project designed to capture rainwater through large-scale urban reservoirs, roadside retention systems, and integrated wastewater treatment facilities. Building upon technology already operational in Lahore since 2020.
UOL’s third student, Azeem Mushtaq’s research introduces a conceptual framework of particular relevance to climate adaptation planning: the analysis of compound environmental hazards, wherein multiple ecological stressors interact to produce consequences that exceed those attributable to any single threat considered in isolation. His study of Lahore examines the concurrent operation of urban heat islands, extreme particulate pollution, and flash flooding-three phenomena whose intersection defines the city’s contemporary environmental character.
The data are alarming. Mushtaq documents a sustained rise in Lahore’s nocturnal temperatures since 2001, with central urban districts registering temperatures several degrees above surrounding areas-a textbook urban heat island effect intensified by unchecked impervious surface expansion. Simultaneously, PM2.5 concentrations during winter smog episodes reach levels that vastly exceed World Health Organisation safety thresholds, with documented episodes ranking among the worst globally. The August 2024 extreme rainfall event, which overwhelmed Lahore’s drainage infrastructure and triggered widespread inundation, exemplifies the third vector of this compound threat.
Critically, Mushtaq’s analysis does not confine itself to hazard documentation. His examination of institutional response mechanisms exposes systemic deficiencies in interdepartmental coordination, disaster preparedness protocols, and climate adaptation planning. By anchoring his findings within the United Nations Sustainable Development Goals framework-particularly SDG 13 on Climate Action-he demonstrates how municipal environmental crises are simultaneously indicators of national governance capacity and legitimate subjects of international sustainability accountability. This is a contribution that speaks directly to the concerns of multilateral development institutions, climate finance bodies, and national planning authorities.
Collectively, all three studies illuminate the interconnected architecture of Pakistan’s environmental predicament. Air quality degradation, groundwater insecurity, urban climate vulnerability, and institutional inadequacy are not discrete policy problems; they are interlocking dimensions of a systemic crisis that demands systemic overhaul. More significantly for stakeholders across government, civil society, and the international development community, these studies demonstrate that the analytical capacity to diagnose this crisis and to design credible responses resides within Pakistan’s own academic institutions.
The World Bank estimates that climate change could reduce Pakistan’s GDP by up to 18-20 per cent by 2050 under high-emission scenarios. Addressing a threat of this magnitude requires not only capital investment and regulatory reform, but a sustained national commitment to scientific research and higher education. Universities are not peripheral to this agenda; they are indispensable to it. The work of Basharat, Shakeel, and Mushtaq illustrates, with admirable clarity, what becomes possible when undergraduate researchers are given the intellectual resources and institutional support to engage seriously with national challenges. Pakistan’s path to environmental resilience begins, in no small measure, in its laboratories and lecture halls.
The writer is a researcher who brings extensive experience of working in the public sector institutions and possesses a nuanced understanding of both national and international issues.