Science Topics

EPA is one of the world’s leading environmental and human health research organizations. Science provides the foundation for Agency policies, actions, and decisions made on behalf of the American people. Learn more about research at EPA and environmental measurements and modeling, and the wealth of environmental data shared by EPA.
Science
Data and Tools
- Air Sensor Toolbox
- CompTox Chemicals Dashboard
- Ecotoxicology Database (ECOTOX)
- Enviro Atlas
- Environmental Dataset Gateway
- EPA Open Data portal
- EPA Science Models and Research Tools (SMaRT) Search
- ExpoBox (A Toolbox for Exposure Assessors)
- Integrated Risk Information System
- Report on the Environment: National Trend Data
- Water Data and Tools
- Water Research: EPANET
Latest Science Matters Articles
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Meet EPA Researcher Susan Glassmeyer, Ph.D.
I earned a bachelor’s in chemistry from Xavier University, and a master’s in environmental science (MSES) and Ph.D. in environmental science from Indiana University. I started at the EPA in 1998 as a federal post-doc, which transitioned to a permanent fede
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Meet EPA Researcher Toby Sanan, Ph.D.
My background is as a physical organic chemist, but my work has touched a wide breadth of chemistry. In college I performed research on organic synthetic techniques to influence the chirality and three-dimensional shape of molecules. In graduate school, I
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Meet EPA Researcher Steve Harmon, MS
I grew up in Akron, Ohio and received my undergraduate degree from the University of Akron. I moved to Cincinnati in 1991 for a summer job at EPA while I was a graduate student. I finished my graduate degree in geology from the University of Cincinnati. I’