Zehrish Iqbal
South Asia currently stands as the most eco-sensitive region in the world, characterized by an acute asymmetry between its minimal contribution to historical greenhouse gas emissions and the disproportionate climatic burdens it bears. Home to more than a quarter of the global population, the region is a theater of high-risk vulnerabilities, ranging from the rapid recession of Himalayan glaciers to rising sea levels that threaten to submerge the Maldives and displace millions in Bangladesh. Yet, despite this shared ecological destiny, the region remains one of the least integrated in the world, paralyzed by a “normative vacuum” where scientific vulnerability fails to translate into legal protection or effective collective action. The central challenge is no longer merely scientific but structural: South Asia must transition from a reactive, state-centric paradigm to a justice-based regional model that transcends the limits of national sovereignty.
The argument for a regional reset is grounded in the transboundary nature of climate impacts that ignore political borders. The Hindu Kush Himalaya (HKH) region, providing freshwater to nearly two billion people, is witnessing ice melt that outpaces worst-case projections, threatening water and food security across eight nations simultaneously. Similarly, the annual “winter smog” that settles over the Indo-Gangetic Plain is not a localized issue but a transboundary health crisis fueled by geography and shared industrial practices, where cities like Lahore and Delhi frequently top global air pollution rankings. Evidence suggests that isolated national policies are insufficient; in Pakistan, the 2022 floods submerged one-third of the country, while Bangladesh faces the prospect of losing 20% of its land area by 2050. These shocks are exacerbated by a vicious cycle of “distress migration,” where households displaced by environmental collapse are pushed into urban centers or foreign markets, often falling victim to modern slavery due to weak social safety nets.
Moreover, the primary obstacle to resilience is the persistent trust deficit between member states, particularly the India-Pakistan rivalry, which has effectively neutered the South Asian Association for Regional Cooperation (SAARC). National elites frequently leverage these regional tensions to consolidate domestic legitimacy, even as the lack of cooperation leads to billions of dollars in untapped climate finance. Unlike Africa or Southeast Asia, South Asia lacks a unified negotiating bloc or a regional pipeline for projects, leaving individual states to compete for resources from the Green Climate Fund. Furthermore, the international legal framework, including the Paris Agreement, remains structurally biased, offering guidance without enforceability or the necessary financial guarantees to address the unique susceptibility of South Asian populations.
The way forward requires a strategic reset across three fronts: diplomacy, legal innovation, and localized adaptation. First, the region must embrace “Smog Diplomacy” and “Water Diplomacy” as entry points for a broader regional rethink. Formalizing an environmental cooperation treaty modeled after the U.S.-Canada Acid Rain Treaty, could institutionalize joint air quality monitoring and synchronized emission standards. Second, South Asian states should collectively pursue contentious proceedings and advisory opinions at international forums like the International Court of Justice (ICJ) to redefine climate finance as a legally binding entitlement based on historical responsibility rather than voluntary aid. Domestic legislation must also evolve; countries should codify climate responsibilities into national law, following India’s lead in drafting framework legislations that target equity for vulnerable groups.
Finally, the region must scale up Nature-based Solutions (NbS), which offer holistic alternatives to limited technological fixes. Case studies such as the restoration of the Hatirjheel-Begunbari wetland in Dhaka or the creation of the Yamuna Biodiversity Park in Delhi demonstrate that reclaiming urban ecosystems can buffer floods, sequester carbon, and improve human well-being simultaneously. The “Million Tree Project” in Lumbini, Nepal, further illustrates how synergy between conservation and local cultural philosophy can drive participatory resilience.
South Asia is at a strategic crossroads where clinging to myths of absolute sovereignty is no longer a viable survival strategy. The cost of non-cooperation is borne not by political elites but by the millions of farmers, women, and urban poor who are on the frontlines of the Anthropocene. To avoid a future defined by collective failure, South Asian nations must leverage their shared vulnerability as a source of entitlement and demand a justice-based international order that prioritizes regional resilience over geopolitical rivalry. Failure to act collectively now will ensure that the region remains a hotspot of crisis, rather than a leader in climate adaptation
The author is a BS scholar of Social Development Studies at Aga Khan University. She is interested in social issues, development, and how policies affect people’s lives. She likes learning about world, writing, and wants to contribute to public discussions on sustainability and social change.
