he report Risk and Adaptation Assessment to Climate Change in Lombok Island, West Nusa Tenggara Province is Indonesia’s pioneering study integrating climate risk analysis into regional development planning. Prepared by the Ministry of Environment in collaboration with GTZ and WWF Indonesia, it combines bottom-up and top-down approaches to assess climate vulnerability and risks across water, agriculture, and coastal-marine sectors. With projections of temperature rise, rainfall shifts, and sea level increase, the study formulates sector-specific adaptation strategies grounded in risk analysis. It serves as a strategic reference for local governments to design effective and sustainable climate adaptation policies, and encourages replication in other regions across Indonesia.

The water sector is one of the most important sectors to be influenced by climate change impacts, in the form of water shortage. Currently, for an example, the Java- Bali regions have already faced a deficit in its water balance. Based on climate projections, most regions in Indonesia will suffer from a gradual decrease of water supply due to temperature increase and rainfall changes that will affect the water balance. Combined with estimated population growth rates, increased water demand will cause severe water shortages to occur, especially in Java and Sumatra for the period of 2020-2030. This paper identifies several high risk regions throughout Indonesia based on the national level of climate risk study. It is found that areas which possess high risk on water shortage stretch in some parts of the Java-Bali region, especially in a few locations in the northern and southern of West Java, middle and southern of Central Java and East Java; as well as in the capital of the North Sumatra, West Sumatra, Bengkulu and Lampung (Sumatra), Nusa Tenggara Barat and South Sulawesi. This paper concludes with some possible actions to adapt to the impacts of climate change to water shortage.

Laporan berjudul “National Study Report – Climate Change Adaptation in Indonesia: Reviews on Adaptation Governance, Metrics and Financing” menyajikan kajian komprehensif mengenai bagaimana Indonesia mengelola adaptasi perubahan iklim melalui kebijakan, kelembagaan, indikator pengukuran, serta mekanisme pembiayaan. Dokumen ini menyoroti praktik baik dan tantangan yang dihadapi di berbagai wilayah, sekaligus memberikan rekomendasi strategis untuk memperkuat integrasi adaptasi ke dalam perencanaan pembangunan nasional dan daerah. Dengan fokus pada tata kelola, metrik, dan pendanaan, laporan ini menjadi rujukan penting bagi pembuat kebijakan, akademisi, dan mitra pembangunan dalam mendorong pembangunan berketahanan iklim di Indonesia.