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

The face masks worn and discarded during the COVID-19 pandemic have an uncertain fate.

On July 28, the National Association of College and University Business Officers recognized the WashU Arboretum as its 2025 Excellence in Sustainability Award recipient.

Cultivated plants provide people with food, fuel and medicine. But crops also face many types of stresses that threaten their growth and yields.

Lu Xu, an assistant professor of energy, environmental and chemical engineering in the McKelvey School of Engineering at Washington University in St. Louis, has won the 2025 American Institute of Chemical Engineers Environmental Division Early Career Award.

Society has long struggled with petroleum-derived plastic pollution, and awareness of microplastics’ detrimental effects on food and water supplies adds further pressure.

This fall, Washington University in St. Louis officially will welcome its inaugural class of students to the new School of Public Health a full year ahead of schedule.

A sweeping new analysis from Washington University in St. Louis has found that global progress to promote physical activity — a proven driver of better health — is in danger of stalling or reversing.

15 newly designated garden “Connection Points” are across WashU’s Danforth Campus, part of a broader effort led by the Brown School’s Kathryn M. Buder Center for American Indian Studies.

St. Louis sits on the Mississippi Flyway — the largest migratory pathway used by birds in North America.