Free Public Lecture on Earth’s Climate History

Renowned geologist Paul Hoffman will give an hour-long talk on Thursday, Sept. 24, at UC Riverside

Paul Hoffman is a professor emeritus of geology at Harvard University. He is seen here examining rocks in Namibia, Africa, which reveal that Earth was almost completely covered by snow and ice some 650 million years ago. Photo credit: Francis MacDonald.

Paul Hoffman is a professor emeritus of geology at Harvard University. He is seen here examining rocks in Namibia, Africa, which reveal that Earth was almost completely covered by snow and ice some 650 million years ago. Photo credit: Francis MacDonald.

RIVERSIDE, Calif. – Paul Hoffman, a professor emeritus of geology at Harvard University, will give a free public lecture at the University of California, Riverside on “Earth’s Astonishing Climate History,” which is the title of the talk.

The hour-long talk will begin at 6 p.m., Thursday, Sept. 24, 2015, in Rooms D and E in the UCR Extension Center, 1200 University Avenue, Riverside, Calif. Parking is complimentary.

The geological record shows that Earth’s climate has changed in dramatic and surprising ways. In his talk, Hoffman, a field geologist, will share his fascination with the give and take between the scientists who discovered these changes and those struggling to develop theories of climate change. His story ranges from the beginnings of climate change as a science to his own involvement in the controversy over Snowball Earth.

Hoffman has spent more than 100 months mapping rock formations in northwestern Canada and southwestern Africa. He assembled evidence that plate tectonics began early in Earth’s history. He is widely known for the theory of Snowball Earth, an extraordinary series of global glaciations that occurred around the time the first complex animals evolved.

Born in Toronto, Hoffman spent most of his career with the Geological Survey of Canada before moving to the University of Victoria and then to Harvard University. He is a foreign associate of the U.S. National Academy of Sciences, a foreign honorary member of the American Academy of Arts and Sciences, and a fellow of the Royal Society of Canada.

For more information about the talk, please email astrobiology@ucr.edu.

Media Contact


Tel: (951) 827-6050
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Additional Contacts

Sarah Simpson
E-mail: astrobiology@ucr.edu

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