Can India and Bangladesh renegotiate a future for the Ganges?

CNAAbout 4 min readJul 31, 2025Watch original
THE SUMMARYAI-generated

Key Concepts:

  • Ganges Water Sharing Treaty (1996): Agreement between India and Bangladesh governing water usage of the Ganges River, expiring at the end of next year.
  • Securitization of Water: The increasing view of water as a critical component of national security, influencing diplomatic and strategic decisions.
  • Transboundary Water: Water resources that cross international borders, often leading to cooperation or conflict between nations.
  • Climate Change Impacts: Effects of global warming on glacial melt, rainfall patterns, sea-level rise, and water availability in the Ganges River basin.
  • Data Sharing: The transparent exchange of hydrological data between India and Bangladesh to facilitate equitable water management.

The Ganges River: A Shapeshifting River with Sacred Beginnings

The Ganges River, known as Ganga in India and Padma in Bangladesh, is a vital resource for hundreds of millions of people in South Asia. Originating as a trickle in the Himalayas, it flows through India and Bangladesh, supporting agriculture, drinking water, and ecosystem services.

The Ganges Water Sharing Treaty (1996) and its Impending Expiration

The Ganges Water Sharing Treaty, signed in 1996, is set to expire at the end of next year. Experts believe the agreement is no longer adequate due to climate change and increased water demands. Renegotiation is necessary, but achieving a new treaty that balances competing security, strategic, and environmental interests will be challenging.

The Indus River Conflict and the Securitization of Water

The conflict between India and Pakistan over the Indus River in May highlighted the securitization of water. India's suspension of the Indus Water Treaty (1960) was viewed by Pakistan as an act of war, raising fears of water scarcity. This situation underscores how water is becoming a critical pillar of India's national security strategy.

Climate Change Impacts on the Ganges River Basin

Climate change is significantly impacting the Ganges River basin. Glacial melt, which feeds the river, is expected to decrease by one-third by 2100, even if global warming is limited to 1.5°C. Extreme rainfall events, flooding, and drought periods are becoming more frequent, affecting regional agriculture, drinking water supplies, and groundwater recharge. Rising sea levels and overextraction of water are also causing salinity intrusion, threatening drinking water supplies for millions in coastal Bangladesh.

The Need for a Win-Win Solution and Data Sharing

A win-win solution for India and Bangladesh requires a transparent, science-based approach to water sharing. Data sharing is crucial but currently lacking. Measures for early warning systems, navigation, disaster management, groundwater management, and ecosystem services should be included in a new agreement.

Geopolitical Tensions and Regional Influence

Geopolitical tensions between India and Bangladesh complicate the renegotiation process. India's water diplomacy is increasingly rooted in national interest, security, climate, and regional influence. The political situation in Bangladesh, including the rise in sectarian violence and growing ties with China, adds further complexity. China's plans to construct the world's largest hydroelectric power dam in Tibet, which will affect the Brahmaputra River (flowing into India and Bangladesh), also raise concerns.

Bangladesh's Accession to the UN Water Convention

Bangladesh's accession to the UN Water Convention in June is a regional breakthrough, demonstrating its commitment to fair and equal water sharing. Membership in the convention will support Bangladesh in areas such as treaty development, national water governance, capacity building, flood risk reduction, and financing.

Optimism for Transboundary Water Cooperation

Despite the challenges, there are examples of transboundary water being a source of cooperation rather than conflict. This offers a view of optimism for the future of water sharing between India and Bangladesh.

Quiz Results and Population Statistics

The quiz revealed the following ranking of rivers based on the human population living within their basins:

  1. Ganges (approximately 500 million people)
  2. Yangtze (approximately 400 million people)
  3. Indus (approximately 300 million people)
  4. Mississippi (approximately 70 million people)

Conclusion:

The future of the Ganges River and its water sharing agreement between India and Bangladesh is at a critical juncture. Climate change, geopolitical tensions, and increasing water demands necessitate a new, transparent, and science-based approach to water management. Data sharing, cooperation, and a focus on mutual benefit are essential for ensuring the sustainable use of this vital resource for the millions who depend on it.

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