People underestimate the amount of water nature makes available to us, free of charge. Even in arid areas, quite a bit of rainwater can be cheaply harvested with appropriate technology if a little time and effort is put into setting up a catchment system.
Unfortunately, rainwater capture systems can range from a few hundred to many thousands of dollars here in the United States, and there are few architects and contractors trained in proper installation. That means its mostly the realm of well-off do-it-yourselfers.
Thats why I was so happy to see the work of MAIMBO MABANGA MALESU and
ALEX RAYMONDS ODUOR, from Zambia and Kenya. They work with SearNet, a division of the World Agroforestry Centre dedicated to spreading rainwater harvesting technologies in Southern and Eastern Africa.
The best part about their organization is that it is run by Africans who have knowledge of available resources and design solutions that rely on existing assets. From simple plastic lined reservoirs to micro catchments for fruit trees and water pans for livestock, their ideas are locally appropriate and scalable.
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