National Geographic : 2010 Nov
Sugarcane Charcoal Burning wood and dung, the main fuel sources for many in the developing world, has contributed to deforestation and respiratory ailments. Not only do briquettes made from crushed sugarcane stalks make use of an abun- dant local resource, they burn more cleanly and allow residents to start a charcoal business for less than $50. Developed by MIT D-Lab Website d-lab.mit.edu/ resources Launch country Haiti Portable Clay Cooler Building upon an ancient food-storage technique, the pot-in-pot system uses evaporation from a layer of wet sand between two nesting pots to help extend the life of farmers' goods. Tomatoes can last weeks instead of just days, mean- ing more fresh produce at the market and more income for farmers. Developed by Mohammed Bah Abba Website none available Launch country Nigeria PHOTOS: MARK THIESSEN, NGM STAFF GRINDER ; RENEE COMET CHARCOAL, COOLER Developed by Samuel Hamner, Scott Sadlon Website thepeppereater.org Launch country Ethiopia Chili Grinder Ethiopian women have for centuries crushed chili peppers by hand---a time- consuming, painful way to add value to a staple spice. The Pepper Eater mills chilies four times faster, creating uniform flakes and sparing hands from chili-oil burns.