Water Wars and the New Frontier of Geopolitics

As fresh blood stains Kashmir, India turns to the rivers to hit back at Pakistan.

The aftermath of the gruesome terrorist attack in Pahalgam, which claimed the lives of 27 innocent civilians, has seen India respond with unusual force and clarity. Among the five punitive measures announced, the most significant was New Delhi’s decision to suspend the Indus Waters Treaty (IWT) of 1960, an agreement often hailed as one of the few lasting successes of India-Pakistan diplomacy. This move signals not only India’s anger at Pakistan’s continued harbouring of terrorists but also a recognition of a larger, more elemental reality that in the 21st century, water is fast becoming a geopolitical weapon.

India’s reaction has been precise. As Pakistani army chief Asim Munir fanned anti-Hindu sentiments and repeated his claim that Kashmir is Pakistan’s “jugular vein,” New Delhi touched the true jugular - water. Declaring the treaty suspended “until Pakistan credibly and irrevocably abjures its support for cross-border terrorism,” India made its position plain. As Water Resources Minister C.R. Patil stated after a joint review meeting with Home Minister Amit Shah, “A road map has been prepared… The government is working on short, medium and long-term measures so that not even a drop of water goes to Pakistan.” It is a historic decision, officials proclaimed, one that is “completely justified and in the national interest.”

Predictably, Pakistan reacted with fury. Islamabad denounced the move as a “unilateral suspension” and “illegal,” warning that stopping river flows would be seen as an act of war. Foreign Minister Bilawal Bhutto added his own incendiary note: “Either our water will flow or their blood.” The rhetorical escalation is alarming, but also telling. It confirms that in the subcontinent and beyond, water is no longer merely a resource; it is a flashpoint.

Water scarcity is set to define global geopolitics. The United Nations estimates that by 2035, nearly a third of the world’s population will live under conditions of severe water stress. As the Pacific Institute, a US-based research body, has catalogued, there were at least 1,473 incidents of water-related violence between 1990 and 2023, skirmishes that stretch from the deserts of the Middle East to the rice paddies of Asia. Water, once assumed to be a renewable blessing, is increasingly becoming a contested, finite prize.

The Indo-Pakistani rivalry has long had a watery undercurrent. Some historians argue that Pakistan’s 1965 assault on India’s Kashmir was motivated less by ideology and more by a desire to capture the headwaters of the Indus river system. Elsewhere, disputes over water have shaped history in quieter but no less significant ways: the Six-Day War of 1967 had its roots, in part, in the struggle between Israel, Jordan and Syria for control of water sources. Tensions between Egypt and Ethiopia today over the Grand Ethiopian Renaissance Dam on the Nile echo older disputes about access and sovereignty. Even the United States and Mexico, allies more often than not, have tussled over the Rio Grande and the Colorado River. In Central Asia, the break-up of the Soviet Union unleashed a series of bitter arguments between Uzbekistan, Kyrgyzstan and Tajikistan over shared water resources.

India itself is no stranger to water wars at home. Inter-state disputes over the Cauvery River in southern India and the Ravi-Beas system in the north have triggered political crises and civil unrest. Nor is India immune to external pressures. China, now Asia’s dominant hydro-hegemon after its annexation of Tibet, is building massive dams across rivers like the Brahmaputra that threaten to choke water flows into northeast India. Meanwhile, India’s failure to resolve a long-delayed water-sharing treaty with Bangladesh over the Teesta River has fed anti-India sentiment in Dhaka.

What emerges from this watery landscape is a stark reality: cooperative water-sharing arrangements depend on mutual trust, transparency, and the rule of law. When authoritarian, revisionist or terror-sponsoring states are involved, agreements are fragile at best. India’s suspension of the Indus Waters Treaty is thus not just a reaction to a heinous act of terror; it is a recognition that conventional frameworks of diplomacy fail when faced with persistent bad faith.

The suspension will not be easy to implement. The IWT has endured wars and crises for more than six decades, largely because it is seen as serving both nations’ vital interests. Abruptly altering river flows risks environmental harm, domestic political fallout, and potential military escalation. Yet doing nothing would be worse. If Pakistan continues to bleed India by a thousand cuts through its proxies, New Delhi’s patience will naturally ebb, much like the waters Pakistan now so anxiously seeks to preserve.

Ultimately, yesterday’s wars were fought over land. Today’s conflicts revolve around energy. Tomorrow’s battles will be over water. India’s move to suspend the Indus Waters Treaty may thus mark not merely an escalation with Pakistan, but a glimpse of the future: a world where rivers, not borders, determine the fate of nations.

In this grim new reality, strength, foresight and resilience will be essential. As the rivers of Asia, Africa and the Americas run thinner, the world must prepare not only for water scarcity, but for water wars.

(The author is a veteran journalist based in Navi Mumbai. Views personal.)