page_title: William J. Ripple
hierarchical_section_title: William J. Ripple
caption_attribution_description: William Ripple, a professor at Oregon State University, at Iron Mountain in 2010. Other information
context_page_description: William J. Ripple is a professor of ecology at Oregon State University in the Department of Forest Ecosystems and Society. He is best known for his research on terrestrial trophic cascades, particularly the role of the gray wolf in North America as an apex predator and a keystone species that shapes food webs and landscape structures via “top-down” pressures.
  Ripple heads the Trophic Cascades Program at Oregon State University, which carries out several research initiatives such as the Aspen Project, the Wolves in Nature Project, and the Range Contractions Project. He has a Ph.D. from Oregon State University
  Ripple was the lead author on the "Global Scientists' Warning to Humanity: A second Notice", published on November 13, 2017. The article suggests "To prevent widespread misery and catastrophic biodiversity loss, humanity must practice a more environmentally sustainable alternative to business as usual."
context_section_description: William J. Ripple is a professor of ecology at Oregon State University in the Department of Forest Ecosystems and Society. He is best known for his research on terrestrial trophic cascades, particularly the role of the gray wolf (Canis lupus) in North America as an apex predator and a keystone species that shapes food webs and landscape structures via “top-down” pressures.
  Ripple heads the Trophic Cascades Program at Oregon State University, which carries out several research initiatives such as the Aspen Project, the Wolves in Nature Project, and the Range Contractions Project. He has a Ph.D. from Oregon State University
  Ripple was the lead author on the "Global Scientists' Warning to Humanity: A second Notice", published on November 13, 2017. This article includes 15,364 scientist co-signatories from 184 countries. The article suggests "To prevent widespread misery and catastrophic biodiversity loss, humanity must practice a more environmentally sustainable alternative to business as usual."
caption: William Ripple in 2010.
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