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irrigation

The great Indian irrigation deceit

J. Harsha, Director, Central Water Commission, writes: India fails to deliver water in time, and in adequate quantities to small landholdings (< 1 hectare) belonging to marginal farmers (constituting 85 per cent of total farmers) cultivating in 43.64 million hectares of canal-irrigated areas. The impact of this great Indian irrigation deceit is enormous on agriculture

Dam busters! The nascent green movement liberating rivers and freeing fish

From Hakai Magazine: For almost 15 years, Harold and Gephard have removed five dams from Connecticut waterways. They spend most of their time meeting owners whose ties to their dams can go back centuries. “It’s about trying to get dam owners to do something that they can’t quite decide. You have to basically say, ‘trust me.’”

Tribute: T. Hanumantha Rao, champion of water management alternatives

T. Hanumantha Rao, irrigation engineering expert and the brain behind a participative method of water management based on his ‘Four Waters’ concept, passed away on Sunday. The Four Waters concept, explained in this video, brought rich benefits to Rajasthan, where even drought-affected areas improved over the years. Several other states are actively pursuing his recommendations.

The hydropower paradox: is this energy as clean as it seems?

Hydropower is a significant source of greenhouse gas emissions: a new study shows that the world’s hydroelectric dams are responsible for as much methane emissions as Canada. The study finds that methane, which is at least 34 times more potent than carbon dioxide, makes up 80% of the emissions from water reservoirs created by dams.