In this issue, USC Dornsife launches a new initiative to cool an increasingly hotter L.A. Also: Our researchers develop a system to help cargo ships go green, and the latest LABarometer reveals what Angelenos think about transit, fires and more.
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USC announced ShadeLA, a new initiative spearheaded by USC Dornsife’s Public Exchange (PX) to expand tree canopy and shade infrastructure across Los Angeles.
Why it matters: Extreme heat causes about 1,500 excess emergency room visits per “heat day” in L.A. County, with vulnerable communities facing the greatest risk.
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L.A. has less shade than the U.S. average — just 21% coverage at noon compared to 27% nationally.
- By 2050, extreme heat days are projected to increase by 31%.
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The big picture: Major sporting events such as the FIFA World Cup, Super Bowl, Olympics and Paralympics are coming to L.A., attracting millions of visitors and creating urgency for heat protection solutions.
Solution: Developing shaded areas will provide much-needed relief, since shade can feel 35–70 degrees cooler than areas in direct sun.
What’s new: The initiative is a partnership with the UCLA Luskin Center for Innovation and multiple other partners to add shade where Angelenos need it most.
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In her words: “This campaign addresses heat not just as an environmental issue, but as a public health, infrastructure and community challenge,” said Monica Dean, PX climate and sustainability practice director.
The plan: ShadeLA focuses on four key goals:
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Add new shade to schoolyards, sidewalks and parks
- Protect existing trees and built structures
- Use data and mapping to identify high-need areas
- Make participation easy for residents and businesses
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What’s next: To launch the campaign, ShadeLA is introducing a set of activities to spark innovation, engage the public and guide smart investments.
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New Tech Aims to Cut Shipping Pollution |
A breakthrough system developed by USC Dornsife scientists in collaboration with CalTech could remove up to half the emissions from ships by turning CO₂ into harmless ocean compounds.
Why it matters: Maritime shipping produces nearly 3% of global greenhouse gas emissions, but current countermeasures are too expensive or impractical for long ocean voyages.
How it works: Ships pump seawater onboard, where CO₂ from engine exhaust is absorbed, making the water slightly acidic.
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The acidic water flows through limestone beds, reacting to make bicarbonate — a safe compound already in seawater.
- The clean water then gets discharged back into the ocean.
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In his words: “What’s beautiful about this is how simple it is. We’re speeding up a process the ocean already uses to buffer CO₂” said William Berelson, co-inventor of the technology and professor of Earth sciences, environmental studies and spatial sciences.
How they did it: Berelson’s team tested the chemistry in controlled lab experiments that matched theoretical predictions.
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This gave them the confidence to model full-scale ship systems.
- Ocean simulations tracked a hypothetical China-to-Los Angeles route over 10 years, resulting in no harmful impacts on ocean chemistry.
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The big picture: Widespread adoption could cut shipping CO2 emissions by 50% — the scale needed to meaningfully fight climate change.
What’s next: Calcarea, a startup company working to bring the technology to market, is discussing pilot programs with commercial shippers while Berelson continues studying long-term ocean impacts.
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Angelenos Feel the Heat — and the Pressure |
The latest USC Dornsife LABarometer survey shows L.A. County residents are feeling more climate stress and less ready for disaster, even with the 2028 Olympics on the horizon.
Why it matters: L.A. is facing rising climate risks and a global spotlight — but many residents feel unprepared and skeptical of city infrastructure.
By the numbers:
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70% say climate change feels like a personal threat.
- Nearly 1 in 3 report psychological distress from natural disasters — up from past years.
- Nearly half experienced heat exposure symptoms — up 20% since 2023.
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The big picture: Angelenos feel even less prepared for disaster than previous years, with just 40% feeling ready, down from 45% in 2020.
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“It suggests that even high-impact events like the January wildfires alone may not be sufficient to spur an increase in preparedness,” said Kyla Thomas, LABarometer director and professor of sociology.
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What to watch: The 2028 Summer Olympics will test L.A.’s public transit, yet residents still aren’t embracing it.
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Nearly 40% say the city’s transit system is “not at all prepared” for the Games.
- Metro Rail ridership is up just 2 percentage points over the past year.
- Bus use remains 6% lower than pre-pandemic levels.
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Between the lines: Frequent bus riders are taking more trips — but casual users haven’t returned.
High note: Transit safety perceptions are improving.
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- 26% say buses feel safe, up from 21%.
- Rail safety ratings also rose slightly.
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What else: Despite climate urgency and EV pushes, most residents still drive gas-powered cars.
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Just over half expect their next car to be electric or hybrid — a 9% drop from last year.
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$1M grant helps USC Dornsife researchers expand the CLEAN wildfire soil‑testing program. Learn more >>
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Ancient philosophers believed there’s more to true thinking than what AI is capable of doing, writes USC Dornsife’s Ryan Leack. Learn more >>
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Your brain keeps a food diary. Our researchers found the neurons writing it. Learn more >>
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Extreme Scientist Finding Extreme Life |
From active volcanoes to the ocean’s depths, USC Dornsife’s Karen Lloyd explores extreme environments to uncover how microbes survive in Earth’s harshest environments.
Lloyd answered questions about her work from students at two levels: elementary school and college.
Read more about Lloyd’s research in the new issue of USC Dornsife Magazine.
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Popular Courses: Finding the Path to Happiness |
In Prof. Patricia George’s popular “Happiness: Research in Neuroscience and Positive Psychology” course, students explore gratitude, mood and well-being through science and discussion.
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| “One of the journalists said when [the Paris Morgue] closed in 1907 that it was the first free theater for the people.”
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| “Taiwan has been closely watching Ukraine’s moves against its formidable neighbor.”
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| “These meal engrams function like sophisticated biological databases.”
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Signup to receive NewsRound, a weekly listing of news stories featuring USC Dornsife scholars.
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| New CPF Fellows on Politics Today |
 | Aug. 27, noon - 1 p.m. PT |
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 | Virtual |
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Bob Shrum and Mike Murphy host a virtual discussion with the fall 2025 CPF Fellows on the state of U.S. politics and what to expect ahead of the 2026 midterms. Learn more >>
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Support During Pregnancy — At No Cost to You |
Get free access to the Nurturing Together Program from Personify Health — available to USC Dornsife staff and faculty enrolled in USC’s PPO or EPO health plans. This program offers one-on-one support from prenatal nurses during pregnancy and for six weeks after birth.
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