Source: TH
Context: The Environment Appraisal Committee (EAC) has approved the reconstruction of the Teesta-3 dam in Sikkim, despite concerns over environmental safety and disaster risks.
About Teesta River:
- Origin:
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- The Teesta River originates from Tso Lhamo Lake in the Himalayas, near the Pahurni and Khangse glaciers in Sikkim.
- States it pass through: Sikkim and West Bengal.
- Tributaries:
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- Left-bank Tributaries: Lachung Chhu, Chakung Chhu, Dik Chhu, Rani Khola, Rangpo Chhu.
- Right-bank Tributaries: Zemu Chhu, Rangyong Chhu, Rangit River.
- End Point:
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- The river merges with the Brahmaputra (Jamuna) in Bangladesh.
- Unique Features
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- Vital for Agriculture & Hydropower: Teesta’s waters are crucial for irrigation and hydroelectric projects in India and Bangladesh.
- Glacial Lake Outburst Flood (GLOF) Risks: The river is vulnerable to flash floods from glacial lakes, as seen in the 2023 Sikkim disaster.
- Disputed Water Sharing: India and Bangladesh have long debated the Teesta water-sharing treaty, affecting bilateral relations.
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