Highlights The Philippines is located in a region where important atmospheric and carbon cycle processes, that are not well understood, take place. Many countries in Southeast Asia, including the Philippines, are highly vulnerable to the effects of climate change. This collaboration between Energy Development Corporation (EDC, Philippines), National Institute for Environmental Studies (NIES, Japan), and University of Wollongong (UOW, Australia) aims to establish the first TCCON station in Southeast Asia in order to help in satellite validation and atmospheric and…