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Bren School of Environmental Science & Management

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Storm clouds gather over the ocean.
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Photo by Daniel Lerman on Unsplash
Strong storms and higher seas from El Niño exacerbate winter hazards in Southern California.

Understanding the causes and impacts of 2026’s record-breaking El Niño

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Leander Anderegg sits on the stairs to the left of Kelly Caylor and David Valentine.
Leander Anderegg, Kelly Caylor, and David Valentine have all been recognized by the American Geophysical Union for their work.
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A truck unloads waste on a landfill as a landfill compactor moves material nearby.
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Djedzura via iStock
Despite the known problems with plastic, society produces more of it every year. Scientists hope that mandatory measurement and reporting can help us address the issue.
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Satellite imagery shows the difference between current and average sea surface temperatures in the Eastern Pacific Ocean as a literal heatmap.
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NOAA Satellites
Sea surface temperatures in the tropical Pacific Ocean were already far higher than average by the first week of June 2026 due to El Niño.
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Two Mapuche women smiling and wearing colorful, traditional attire with silver necklaces.
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Oscar Gutierrez Zozulia via iStock
The Mapuche are Chile’s largest Indigenous group, having retained independence form the Spanish empire for centuries.
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 a charging cable into an electric vehicle at sunset.
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Michael Fousert, Unsplash
Accounting for the emissions over a vehicle’s entire lifecycle overturns the sunk-cost thinking that keeps gasoline vehicles on the roads.
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A shark fin sticks out of the ice at a fish market.
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enginakyurt11 via iStock
Small and easily stored, shark fins can be far more valuable than the rest of the animal’s carcass.
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Christopher Costello
Photo Credit
Matt Perko
Christopher Costello
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An oil palm plantation at edge of rainforest with a boarder of trees that were logged to clear land for agricultural expansion.
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Richcarey via iStock
Crafting strategies to stop deforestation will require understanding the factors that accelerate and arrest it.
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A group of elephants prepare to cross a road as oncoming headlights can be seen in the distance.
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Davide Antoniani via iStock
Elephants and humans could be headed for a collision in Southern Africa as climate change bears down and more land comes under cultivation.
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Headshot of Elena Irwin
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Courtesy
Elena Irwin
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The graduates of 2026 in the courtyard below the trees, low angle
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Jeff Liang
Bren's class of 2026 face the future with new skills, expertise and determination.