Dr Rex Victor O. Cruz is a renowned expert in watershed management and climate change adaptation. His expertise and research interests include ecosystem and landscape planning and management, upland development, and integrated natural resources management. He was a member of the Intergovernmental Panel on Climate Change (IPCC) of the United Nations that won the 2007 Nobel Peace Prize with former US Vice President Al Gore. He served as a principal lead author and convening lead author of the Assessment of Climate Change Impacts and Adaptation, Intergovernmental Panel on Climate Change, Second, Third and Fourth Assessment Reports.