By Tina Rosenberg
Readers responded with many practical ideas and incisive comments — some of them speaking from sad experience — to last Friday’s Fixes column on the sustainability of water pumps. I wrote about a new program started recently by WaterAid in the north of India. It trains local people, including many women, to repair water pumps. They now run businesses that charge villages low fees for quick, guaranteed and reliable repairs when their hand pumps break down.