Earth Systems & Climate Change

The year was 2022, and we were still living in the shadow of COVID-19. Like many of our colleagues, we were cautiously gathering for the first time (masked) after virtual classrooms, remote work, and daily headlines that had suddenly made “public health” a household phrase. For many, the term felt new. But for us, it had long been central to our work.

We have officially entered into prescribed burn season in Forest Park, through April 2025.

Researchers look closely at sea spray aerosols from shoreline wave breaking, environmental implications

Bronwen Konecky has won a prestigious NSF CAREER Award to study rainfall changes in the Central America and northern South America region

Black carbon, the sooty byproduct of incomplete combustion of fossil fuels, has emerged as a major contributor to climate change and human health impacts.

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Across all Washington University in St. Louis campuses, scores of researchers share a drive to understand the natural forces that shape our climate, health, culture and physical world.

To help understand air pollution health effects, researchers at Washington University in St. Louis quantify how the amount of submicron particles in the air has changed over the past 25 years

Associate Professor Catalina Freixas has received a Provost Impact Award through WashU’s Confluence Collaborative for her research project, Segregation by Design.

Thunderstorms that swept the central US in 2022 were unprecedented, but their extreme precipitation may not be that rare — especially with global warming

Jason He, an expert in wastewater treatment and environmental biotechnology, has been named the Laura and William Jens Professor of Environmental Engineering.