Itaca Appropriate Technology

Alrededor de 2600 millones de personas en el mundo dependen de la le?a para cocinar en el hogar. El humo que se produce en la cocina causa m?s de 1 mill?n de muertes al a?o. Una estufa de le?a...

What is a standalone photovoltaic system and how does it work? How many panels will I need to generate energy? What kind of batteries are going to work best? This self-contained book provides you...

Around 2,600 million people in the world depend on biomass for cooking, and every year the smoke this produces in the kitchen causes around 1 million deaths. This can be resolved by improved cooking...