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 stoves that use less wood and carry smoke out of harms way. This book is a concise and practical guide to designing and building a Maya Peten cooking stove. The stove is a low-cost and effective solution that improves health in the home and requires cutting less firewood. You'll learn about the basic principles of heat transfer and the thermal properties of materials. Taking you through the design...

This book examines the role of the El Nino Southern Oscillation (ENSO) in society. In this volume, Richard Grove and George Adamson chart the dual history of El Nino: as a global phenomenon capable of devastating weather extremes and, since the 18th century, as a developing idea in science and society.