​Indonesia is one of the most vulnerable countries to climate change due to its geographical, physical, and social-economic situations. There are many initiatives to understand and deal with the impacts in the country. The national government has issued key guiding policies for climate change. International agencies together with local stakeholders are working on strengthening the capacity in the policy formulations and implement actions to build community resilience. Universities are conducting research on climate change related at different scales. Cities and local governments are implementing innovations in adapting to the impacts of climate change and transiting toward green economy. This book summarizes and discusses the state-of-the-art regarding climate change in Indonesia including adaptation and mitigation measures.