This document summarizes a unit on cleaner production from the Saltillo Technological Institute's distance education program. It discusses the principles and phases of cleaner production, as well as practices, barriers, and benefits. Cleaner production aims to conserve resources and reduce waste and pollution in production processes, products, and services. It can increase efficiency and sustainability. The document also provides several case studies on industries that implemented cleaner production strategies to reduce their environmental impact and become more sustainable and efficient.