Applying the Design Revolution to the Woes of Big Canals

By Paul Polak The 13,324 miles of canal system in Pakistan’s Sindh province irrigates 12 million acres of land. That’s a canal that’s long enough to cross the United States three times! This canal system and others like it make as significant a contribution to feeding the world’s growing population as the introduction of the green revolution’s miracle seeds. But big canals come with big problems. Namely, rampant corruption, water wastage, numbingly inefficient operation and maintenance as well as millions of acres of productive land ruined through water logging and salinization. Because of water losses from evaporation, leakage, evaporation, poor operation and maintenance and prehistoric…

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How to Triple the Income of Sprinkling Can Farmers in Asia and Africa

by Paul Polak There are at least 50 million poor farmers who use sprinkling cans to irrigate quarter acre vegetable plots and sell what they grow to customers in cities and towns in Asia and Africa. I  have interviewed hundreds of them, and have no doubt that they can double or triple their incomes with access to improved affordable irrigation, farming methods, and access to markets. Here is a case in point. In August, 2009, Bob Nanes, (IDE Ghana), Sue Haley (IDE Africa) and I visited 14 sprinkling can farmers who produce vegetables for the million or so people who live in Kumasi, Ghana. Here’s…

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Big Dams or Sprinkling Cans?

By Paul Polak Everybody in the world knows about big dams. They do irreparable damage to the environment and the  millions of people they displace, but we need to keep building a few of them to feed the nine billion people we expect will live on planet earth when its population stabilizes. Ten years ago, ten world experts both for and against big dams formed the World Commission on Dams and reached a stunning consensus on the path forward, which the World Bank promptly decided to ignore. But there has been no World Commission on Buckets and Sprinkling Cans, although some 50 million poor farmers in Asia…

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