Photo of a USC Peace Garden Tour with the text "The USC Peace Garden Is Growing! Make Your Voice Heard With Our Survey"
Photo of Earth from space next to Assignment: Earth logo.

Explore Assignment: Earth, USC’s sustainability framework for creating a healthy, just and thriving campus and world. And visit the home of Assignment: Earth, the USC Sustainability Hub.

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Making Progress

2025 Wrigley Institute Graduate Fellow Bradley Mackett uses a plankton tow net to collect phytoplankton from the surface ocean. Back in the lab, he will test how exposure to fire debris affects their physiology. (Nick Neumann/USC Wrigley Institute)

Most of my childhood memories are rooted in the Florida Panhandle—white sand beaches, crystal-clear emerald waters, and vibrant marine life. It felt like paradise. But even amid those idyllic scenes, I remember moments of devastation: the 2010 Deepwater Horizon oil spill, the lingering effects of Hurricane Katrina, and most vividly, the toxic algal blooms.

A rooftop rainwater harvesting system, developed by a Mexico-based NGO to address water scarcity issues. (Courtesy of Paulina Olvia)

The second episode of our #FridayFacts video series features Paulina Oliva, Professor of Economics and Spatial Sciences at USC Dornsife, who is a recipient of a 2024-2026 Wrigley Institute Faculty Innovation Award. Her research explores a rainwater harvesting system developed in Mexico City as a response to water shortages.

Wrigley Institute-supported experts are aiding threatened species and ecosystems, including ocean corals, giant kelp, and the critically endangered Channel Islands fox. (Illustration: Maria Francesca Melis)

How USC Sea Grant and partners came together to save two species of fish during the 2025 Los Angeles fires.