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May 12, 2020
Sep 10, 2021
AGU announces Section Awardees and Named Lecturers, including ESS Professor Charlie Zender
Sep 9, 2021
Earth system scientists at UCI studied air trapped in compacted layers of Antarctic ice and snow to come up with some answers and a few new questions about the amount of molecular hydrogen in our…
Sep 3, 2021
Nowadays, Professor Gudrun Magnusdottir of the UCI Department of Earth System Science uses computers to model the Earth system — but she remembers a time when she did her calculations with a pencil…
Sep 3, 2021
Fires are burning in the West. The Caldor Fire in Lake Tahoe is making what you breathe more smoke than air, forcing thousands to evacuate. Find out what some scientists from the UCI Department of…
Sep 2, 2021
Professor Emeritus William “Bill” S. Reeburgh, a founding professor of UCI’s Department of Earth System Science (ESS), died on July 9, 2021. He was 81. Born February 25, 1940 in Port Arthur, Texas,…
Sep 1, 2021
"We have to remember that it took decades to reduce Amazon deforestation, but it may take just a few years to destroy the conservation policy pillars of conservation," said co-author Paulo Brando,…
Jun 9, 2021
Elevation of Central American orography significantly reduces the pervasive tropical rainfall bias by blocking the easterlies and consequently warming the northeastern tropical Pacific.
May 18, 2021
ESS Alum Dave Valentine has been inducted into UCI School of Physical Sciences Hall of Fame. Dave was a doctoral student in the 1990s, a student of Bill Reeburgh.
May 17, 2021
UCI study shows human-sourced boost to drying in Americas, Africa and Asia
May 5, 2021
Weather station data point to wind- and solar-driven heating as leading culprits
Apr 29, 2021
BU researchers used NASA satellite imaging data to analyze 30 years of Earth’s northern forests—and found that fires are increasingly hampering forests’ ability to capture and store atmospheric…
Apr 19, 2021
The UCI School of Physical Sciences will be holding events for Earth Day 2021; please see the flyer here for full event information.

The Department of Earth System Science acknowledges our presence on the ancestral and unceded territory of the Acjachemen and Tongva peoples, who still hold strong cultural, spiritual and physical ties to this region.