William J. Ripple, Ph.D.

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William (Bill) Ripple is a University Distinguished Professor of Ecology in the Department of Forest Ecosystems and Society as well as the Director of the “Trophic Cascades Program” at Oregon State University. He has published more than 200 journal articles and was co-lead author of the  “World Scientists’ Warning of a Climate Emergency 2021”. He is the director of the Alliance of World Scientists which has 26,000 members from 180 countries.