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
    • Emergency Response
    • Environmental Information by Location
    • 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
    • Headquarters Offices
    • Regional Offices
    • Labs and Research Centers
    • Planning, Budget, and Results
    • Organization Chart
    • EPA History

Breadcrumb

  1. Home
  2. Environmental Topics

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

  • A New Way to Measure Phytoplankton and Cyanotoxin Producers in Large Rivers

    EPA researchers collaborated with scientists from the U.S. Geological Survey on a study to look at innovative methods for identifying and tracking the cyanobacteria most likely to produce cyanotoxins in rivers.

  • Improvements to ToxCast Make Screening Assay Data for Thousands of Chemicals Easier to Interpret

    EPA's Toxicity Forecaster (ToxCast) program provides in vitro medium- and high-throughput screening assay data to the public.

  • Meet EPA Research Ecologist, Cathleen Wigand, Ph.D.

    EPA research ecologist Dr. Cathy Wigand works on coastal resiliency, climate adaptation, and wetland restoration and frequently collaborates with local, state, and federal partners in her work. Dr. Wigand started her career with EPA over 25 years ago and h

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

  • Air Topics
  • Cancer
  • Chemicals, Pesticides, and Toxics Topics
  • Environmental Information by Location
  • Health Topics
  • Land, Waste, and Cleanup Topics
  • Science Topics
  • Water Topics
Contact Us
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on November 26, 2024
  • Assistance
  • Spanish
  • Arabic
  • Chinese (simplified)
  • Chinese (traditional)
  • French
  • Haitian Creole
  • Korean
  • Portuguese
  • Russian
  • Tagalog
  • Vietnamese
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
  • Site Feedback

Follow.