Skip to main content
U.S. flag

An official website of the United States government

Here’s how you know

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

HTTPS

Secure .gov websites use HTTPS
A lock (LockA locked padlock) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

    • Environmental Topics
    • Air
    • Bed Bugs
    • Cancer
    • Chemicals, Toxics, and Pesticide
    • Climate Change
    • Emergency Response
    • Environmental Information by Location
    • Environmental Justice
    • Greener Living
    • Health
    • Land, Waste, and Cleanup
    • Lead
    • Mold
    • Radon
    • Research
    • Science Topics
    • Water Topics
    • A-Z Topic Index
    • Laws & Regulations
    • By Business Sector
    • By Topic
    • Compliance
    • Enforcement
    • Laws and Executive Orders
    • Regulations
    • Report a Violation
    • Environmental Violations
    • Fraud, Waste or Abuse
    • About EPA
    • Our Mission and What We Do
    • EPA Administrator
    • Headquarters Offices
    • Regional Offices
    • Labs and Research Centers
    • Planning, Budget, and Results
    • Organization Chart
    • EPA History
    • Staff Directory
Environmental Topics
Contact Us

Science Topics

Summary

Science Category

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.

About EPA

  • Office of Research and Development (ORD) 
  • EPA Laboratories, Research Centers, and Science Advisory
 

Science

  • Participatory Science for Environmental Protection
  • Climate Change Indicators
  • Environmental Measurements and Modeling
  • Laboratory Methods
  • Risk Assessment
  • Scientific Integrity
  • Science Matters Newsletter

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

  • EPA Researchers Develop Forecasting Approach to Predict Harmful Cyanobacterial Blooms for U.S. Lakes

    Due to climate and land use pressures, there is concern that HCBs may increase in frequency, extent, and magnitude, but it can be difficult to know when and where HCBs may form. EPA’s Safe and Sustainable Water Resources research uses a range of data sourc

  • Testing Chemical Agent Contamination Response in a Realistic Setting

    EPA is enhancing the nation’s ability to respond to and recover from a potential chemical agent incident by developing environmental countermeasures and response exercises and trainings.

  • Exploring the Depths: A Journey aboard EPA & University of Southern Mississippi’s STEM Marine Science Cruise

    EPA researchers guided students from the University of Southern Mississippi on a week-long science cruise that delved into the realm of field techniques, marine biology, and applied science.

Read more from Science Matters

 

Research

  • HERO: Health and Environmental Research Online
  • Innovation at EPA
  • Reducing Animal Testing at EPA
  • Research at EPA
  • Science Inventory

Grants and Opportunities

  • Research Grants
  • Science Careers at EPA
  • Small Business Innovation Research Grants
  • Understanding, Managing, and Applying for EPA Grants
  • Environmental Topics Home
  • Air Topics
  • Cancer
  • Chemicals, Pesticides, and Toxics Topics
  • Environmental Information by Location
  • Greener Living
  • Health Topics
  • Land, Waste, and Cleanup Topics
  • Science Topics
  • Water Topics
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on December 14, 2023
United States Environmental Protection Agency

Discover.

  • Accessibility Statement
  • Budget & Performance
  • Contracting
  • EPA www Web Snapshot
  • Grants
  • No FEAR Act Data
  • Plain Writing
  • Privacy
  • Privacy and Security Notice

Connect.

  • Data
  • Inspector General
  • Jobs
  • Newsroom
  • Regulations.gov
  • Subscribe
  • USA.gov
  • White House

Ask.

  • Contact EPA
  • EPA Disclaimers
  • Hotlines
  • FOIA Requests
  • Frequent Questions

Follow.