College of Forestry

Global Trophic Cascades Program

Global warming drives global warning

Democrat-Herald, Feb. 13, 2018: Bill Ripple, a distinguished professor of ecology at Oregon State University, has spent a large part of his career studying the interplay between predators, prey and plant life in and around Yellowstone National Park. But that changed in December, when he took the lead role in authoring a paper titled “World Scientists’ Warning to Humanity: A Second Notice,” which was published in the journal BioScience.

15,000 scientists in 184 countries warn about negative global environmental trends

OSU Press Release, Nov. 13, 2017: Human well-being will be severely jeopardized by negative trends in some types of environmental harm, such as a changing climate, deforestation, loss of access to fresh water, species extinctions and human population growth, scientists warn in today’s issue of BioScience, an international journal.

Related Documents
PDF

'Time is running out'

“World Scientists’ Warning to Humanity: A Second Notice,” published today in the international journal BioScience, charts the progress — or lack thereof — on the issues highlighted in the original document and renews the call for urgent action. Lead author William J. Ripple, a distinguished professor of ecology at Oregon State University, said he was astounded by the level of support he and his seven co-authors received for their manuscript.

Related Documents
PDF

The risk of extinction is highest for Earth's largest and smallest animals

"Knowing how animal body size correlates with the likelihood of a species being threatened provides us with a tool to assess extinction risk for the many species we know very little about," says William Ripple, professor of ecology at Oregon State University (OSU) and lead author of the study, in a statement.

Related Documents
PDF