In this article Fred Pearce describes the multi-billion dollar project, which aims to take flood waters from the Himalayas and transfer them via a series of canals and pumping stations, to drought-prone southern and eastern states.
But despite the support of all of India's major political parties, opposition to the scheme is growing. Critics warn that the project risks major confrontation with Bangladesh, and argue that better use of existing water supplies is the answer.
Link to full New Scientist article
Terragreen: Interview with Suresh Prabhu, Chairman of the Task Force on Interlinking of Rivers
Indian Ministry of Water Resources
Photo credit: NASA