Genevieve Juliette Guenther is an American climate change activist, consultant, author, and speaker. She is the founding director of the media watchdog organization End Climate Silence, and most recently affiliate faculty at the Tishman Environment and Design Center at The New School.
Guenther received her bachelor's degree summa cum laude from Columbia University and, in 2004, her Ph.D. from the University of California, Berkeley.
Guenther advises NGOs, activists, corporations, and policymakers on climate disinformation and communication. She is the author of The Language of Climate Politics: Fossil Fuel Propaganda and How to Fight It, which was reviewed as "a tour de force" and "a revelatory study," and was called "a genuine gift to the world" by the climate journalist Bill McKibben.
She is also the founding director of the volunteer organization End Climate Silence, which advocates for increased coverage of climate change in news media. The group's advisory board is Brad Johnson, Michael Mann, Peter Kalmus, and Margaret Klein Salamon.
Guenther has been profiled in The New Yorker for her activism and noted in the media for The Language of Climate Politics: Fossil Fuel Propaganda and How to Fight It. The Language of Climate Politics was short listed for the Penn Libraries Book Prize in Sustainability.
Guenther was an Expert Reviewer of the IPCC Sixth Assessment Report Working Group III.
In 2018 she appeared on the CNN show Reliable Sources. In 2019 she was interviewed by Brian Lehrer on "The Brian Lehrer Show," on WNYC public radio. In 2021 Guenther was interviewed on a climate-focused episode of The New York Times podcast, "The Argument." In 2024 she participated in a televised debate with Trump Administration Department of Energy Appointee Steven Koonin and Nobel Laureate Daron Acemoglu.
Guenther started her career as a tenure-track English professor at the University of Rochester. Her book on English Literature, Magical Imaginations: Instrumental Aesthetics in the English Renaissance, analyzes works by Spenser, Marlowe, and Shakespeare. Renaissance Quarterly called it "sensible and brilliant."