Distinguished Professor of Ecology, Oregon State University, specializing in carnivores, mammal ecology, and biodiversity conservation. Additionally, he is an adjunct professor in Environmental Nutrition at Loma Linda University’s School of Public Health. He is a widely published researcher, lecturer, and a prominent international figure in the field of ecology. He has published over 110 peer-reviewed journal articles, 3 edited books, and 9 children’s books. He has served as consultant to National Academy of Sciences, Office of Science and Technology-The White House, President Clinton’s Forest Summit, Environmental Protection Agency, U.S. Fish and Wildlife Service, and U.S. General Accounting Office. Dr. Ripple also studies and publishes research about the environmental and climate effects of livestock and human carnivory (meat eating by humans). His writings have shown that lowering human-driven methane emissions by reducing global ruminant livestock production could have a significant role to play in efforts to mitigate climate change.