This book contains 9 papers selected from papers presented at the 9th Indonesian Regional Science Association (IRSA) International Conference, entitled “The Current and Future Issues of Regional Development, Energy and Climate Change”. 55 papers were presented at the conference, and 15 of them were submitted to be included in this book. This book is divided into 3 parts. Part I concern regional economics and development, Part II energy, and the last part climate change and the environment.