This document provides an overview of disaster risk reduction and climate change adaptation concepts. It defines key terms like hazards, disasters, risk, vulnerability, capacity and exposure. It explains the disaster risk reduction framework including prevention and mitigation, preparedness, response, and rehabilitation and recovery. Examples of structural and non-structural mitigation measures are provided. The roles and responsibilities during preparedness, response, and rehabilitation are also summarized. Overall, the document aims to help readers understand concepts related to disaster risk management based on Philippine law and frameworks.