Emerging and new digital technologies have the potential to help countries tackle climate change, build climate and disaster resilience, and enhance environmental sustainability. This publication aims to inform and influence the strategic deployment of digital technologies in developing Asia. It provides an overview of the available technology types and their applications and assesses opportunities and barriers for their uptake. The publication provides insights on how digital technologies can be operationalized in the Asian Development Bank's developing member countries, including to support nationally determined contributions and green recovery efforts.