The Indus Waters Treaty (IWT) has long been recognised as one of the most durable transboundary water agreements in the world, insulating shared rivers from political shocks in South Asia for over six decades. Today, however, the treaty faces an unprecedented challenge not through formal withdrawal, but through unilateral suspension, delayed accountability, and sustained non-engagement.
These actions are no longer merely bilateral irritants; they represent a direct challenge to international law, human security, and the global commitment to Sustainable Development Goal 6 (SDG 6), which seeks to ensure fair management of water and sanitation for all human beings. India’s decision to hold the Indus Waters Treaty in abeyance has injected uncertainty into one of the world’s most climate-sensitive river basins. For Pakistan, a lower riparian state whose agriculture, food security, and domestic water systems depend on predictable Indus Basin flows, this uncertainty translates immediately into human vulnerability.
Water insecurity in the basin threatens national food production, commodity stability, and nutrition outcomes, transforming legal issues into household-level risk across rural and urban communities alike. The gravity of the situation was underscored when UN Special Rapporteurs formally sought an explanation from India regarding its treaty conduct, setting a deadline of 16 December 2025.
Approximately two months after that deadline, no response was submitted. In international law, silence following UN scrutiny is not a neutral act; it signals avoidance of accountability mechanisms designed to protect human rights and prevent harm. The Rapporteurs’ inquiry reflected global concern over treaty compliance, humanitarian impact, and adherence to the principle of “pacta sunt servanda” (the obligation to honour binding agreements in good faith).
Water governance in Pakistan is inseparable from human security. Disruptions to Indus cooperation directly impair irrigation scheduling, distort sowing cycles, and reduce yields of staple crops such as wheat, rice, cotton, and sugarcane. Even perceived uncertainty in flows forces farmers to delay planting, increase input risk, and absorb income losses.
Threats and violent force should not substitute the rules-based governance of shared waters.
These disruptions magnify food inflation, deepen rural poverty, and undermine national efforts to achieve SDG 6 by weakening reliable access to water for households, sanitation systems, and public health infrastructure. International water law is unequivocal in prioritising cooperation, equitable utilisation, and the prevention of significant downstream harm. The Indus Waters Treaty embeds these principles through its institutional architecture, including the Permanent Indus Commission and treaty-mandated dispute resolution mechanisms. Unilateral suspension or politicisation of these mechanisms erodes trust, weakens transparency, and risks replacing rules-based governance with power-based outcomes, an outcome incompatible with both international norms and sustainable development commitments.
The costs of such unilateralism are compounded by Pakistan’s acute climate vulnerability. Despite contributing less than 1% to global greenhouse gas emissions, Pakistan ranks among the countries most exposed to floods, droughts, heatwaves, and glacial lake outburst floods. Climate change already strains water availability and ecosystem stability; any artificial disruption of Indus flows exacerbates ecological degradation, biodiversity loss, and disaster risk.
In this context, treaty compliance is not a diplomatic preference but a climate resilience imperative. Pakistan has responded by integrating climate adaptation, disaster risk management, and water governance into national development planning.
Renewable energy now constitutes approximately 35 per cent of the national energy mix, supporting resilience during climate-induced shocks. A significant legal development has further clarified the stakes. On 29 January 2026, the Court of Arbitration issued Procedural Order No. 19, reaffirming that treaty arbitration under the IWT remains fully operational despite non-participation by one party. The Court confirmed its exclusive authority, advanced Pakistan’s evidentiary submissions, and placed the burden of compliance squarely on India. Non-engagement, the Court emphasised, does not dilute treaty obligations.
Transparency was ordered, operational records were demanded, and adverse inference was explicitly flagged. The ruling made it clear that the treaty obligations cannot be paused through political declarations, as India had attempted. This decision reinforced Pakistan’s credibility as a compliance-first actor and preserved the integrity of treaty-based dispute settlement.
More broadly, it reaffirmed a foundational principle of international order: that treaties are binding rules, not discretionary instruments. At stake now is more than the Indus Basin alone. If prolonged silence, unilateral suspension, and selective compliance are normalised, the precedent will weaken global confidence in transboundary water treaties at a time when climate stress demands stronger cooperation.
Pakistan’s position remains clear and internationally aligned: Trans boundary Rivers must be managed through institutions, science, and lawful dispute settlement mechanisms. The future of the Indus Waters Treaty will test not only regional stability, but also the credibility of global commitments to water security, human rights, and sustainable development. Threats and violent force should not substitute the rules-based governance of shared waters.
The writer is a student.