Mohammed Bah Abba Country: Nigeria Region of Impact: Nigeria http://rolexawards.com/en/the-laureates/mohammedbahabba-home.jsp
Mobah Rural Horizons, is a Rural Development and Consulting Organization that designs, invents, and disseminates appropriate technologies for poor rural areas. The project is a fresh foods preservation system that uses two clay pots. This system requires no electricity supply to preserve and prolong the storage life of perishable fresh food items.
For people who live in hot climates with little electricity, food spoils quickly. Produce spoils in within three days without refrigeration, forcing farmers to rush their crops to the market and sell them at undervalued prices. This has a lot of consequences to the farmers, and their families, because it affects their village life and leads a decrease in income in the poor rural areas. For Kano City, which is around 60 miles from many farmers, the fresh produce that is grown rots along the way, causing its farmers to earn smaller profits and provide for fewer people.
Refrigeration is a method for storing foods around the world, but places in Africa like Kano City do not have the resources to support a stable supply of electricity to make refrigerators a viable option.
Mohammed Bah Abba designed an elegantly simple food storage device that is made up of two earthenware pots which utilize the principles of evaporation to create electric-free refrigeration. In between the two pots is a layer of fine, wet, river sand, and on top is a moist jute bag. When kept in a dry, well-ventilated, and shady location, water evaporates, cooling the inner container. As a result, Mohammed's desert refrigerator allows produce to stay fresh for weeks, so less food is wasted, and farmers are able to increase their profits so that they can continue to provide for their communities. Mohammed sells around 30,000 coolers a year to farmers and other people who want to preserve food for their families and communities.
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Un refrigeratore in terracotta (definibile in inglese con il vago termine refrigeration without...