The Indonesia Technology Needs Assessment on Greenhouse Gases Mitigation was funded by Deutsche Gesellschaft für Technische Zusammenarbeit (GTZ) and is gratefully acknowledged. Special thanks go to Mrs. Masnellyart Hilman, Deputy Minister for Nature Conservation Enhancement and Environmental Destruction Control, for initiating the project. The dedication of all authors and contributors, as well as the support from various institutions and organizations, is highly appreciated. Finally, gratitude is extended to Mr. Heiner von Luepke, Mr. Chandra Panjiwibowo, Ms. Anandita Laksmi, and Ms. Novita Sani from GTZ for their technical and administrative support.