The intent of this guideline is to present a simple and educational background regarding not only about carbon markets, but their current opportunities, as well as local and international procedures that a project proponent must meet to successfully incorporate the Clean Development Mechanism (CDM) and emit carbon certificates in the international market. The document includes the following sections: (a) The Clean Development Mechanism (CDM), (b) The carbon market, (c) The CDM project cycle, (d) Key steps in developing a CDM project. (e) Projects to reduce energy emissions, (f) Financial and contractual elements of a CDM project. Please note: The original document is in Spanish.