Prof. Dr. Ir. I Wayan Suarna, M.S. is a lecturer at the Faculty of Animal Husbandry and Postgraduate Program at Udayana University, Denpasar. The former head of PPLH (Center for Environmental Research) of Udayana from 2002 to 2010 was born in Gianyar on May 19, 1959. After completing his doctoral education at Padjadjaran University in Bandung in 2001, Wayan Suarna also actively participated in courses, such as: Animal Science Short Course, Undana Kupang (1993), Short Course in Plant Physiology at UNUD (1994) Environmental Modeling in Unsri Palembang (1995) ) Executive Environmental Management Training at Puspitek Serpong (2004), KLHS Technical Assistance (2010), and TOT Technical Facilitation of Economic Instruments on Environment Management (2011) in Senggigi, West Lombok. His research experience is mainly related to the field of forage, animal husbandry, and the environment, including the preparation of environmental feasibility documents, adaptation and mitigation to climate change. The results of these studies have been published in scientific journals, both within the UNUD environment and on a national scale and these results has also been socialized in scientific lectures and papers presented in various seminars and workshops. His contribution in writing the book is presented in several publications including: Local Wisdom in Environmental Management (2007), Changes in Land Use and Environmental Support Capacity (2011), Mapping of Regional Potentials and Development of Agricultural Commodities in Gianyar Regency (2013), Livestock that Suppress Pollution (2014), Biodiversity in Feed Plants in Bali (2019), and Taro Cattle Conservation Strategies to Prevent Germplasm Extinction (2019). In other activities, Wayan Suarna is active as the Central Board of the Indonesian Forage Scientists Association (IFSA), Head of the Tropical Forage Research and Development Center, Members of the National Feed Expert Commission, Members of the Feed Plant Variety Release Team of the Directorate General of Animal Husbandry and Animal Health of the Ministry of Agriculture, and as a member of the group Bali Provincial Development expert (2003 - 2018).