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
    • 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
    • Guidance
    • 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

Environmental Topics

  • EPA Environmental Topics

    EPA's environmental topics guides you to the most popular pages in your topic of interest.

    Find EPA Articles and News Releases related to popular topics.

    Search the A-Z Topic Index for specific terms.

 
  • Español
  • عربى 
  • 中文: 简体版
  • 中文: 繁體版
  • Kreyòl ayisyen
  • 한국어
  • Português
  • Pусский
  • Tagalog
  • Tiếng Việt
Air Category (image of sky and clouds)

Air

  • Acid Rain
  • Criteria (NAAQS) Air Pollutants
  • Particulate Matter (PM)
  • Greenhouse Gas (GHG) Emissions

Air Topics

Chemicals and Toxics Category

Chemicals, Pesticides, and Toxics

  • Chemicals under the Toxic Substances Control Act (TSCA)
  • Formaldehyde
  • Managing Chemical Risks
  • Per- and Polyfluoroalkyl Substances (PFAS)

Chemicals, Pesticides, and Toxics Topics

Location (image of pins on map)

Environmental Information by Location

  • Cleanups in My Community
  • Radon Zones: Maps and Supporting Documents by State
  • Toxic Chemical Releases

More Location-Specific Info

Greener Living

  • Energy and the Environment
  • Greener Products and Services
  • Reduce, Reuse, Recycle
  • Sustainability 
Health Category (image of stay safe words)

Health

  • Children's Health Protection 
  • Coronavirus (COVID-19)
  • Endocrine Disruption
  • Human Health Risk Assessment
  • Pesticides and Food: Healthy, Sensible Food Practices

Health Topics

Land Waste and Cleanup Category

Land, Waste, and Cleanup

  • Cleanups
  • Household Hazardous Waste (HHW)
  • Landfills
  • Learn About Hazardous Waste
  • Recycling

Land, Waste, and Cleanup Topics

Science Category

Science

  • Citizen Science for Environmental Protection
  • Environmental Measurements and Modeling
  • EPA Science Models and Research Tools (SMaRT) Search
  • Research at EPA
  • Research Grants

More Science Topics

Water

Water

  • Drinking Water Basics
  • Lakes and Rivers
  • Local Water Quality Reports
  • National Aquatic Resource Surveys 
  • Wastewater Treatment
  • Watersheds

Water Topics

More Environmental Topics

  • Bed Bugs
  • Climate Change
  • Children's Health
  • Lead
  • ​Mold
  • ​Pesticides
  • Radon

EPA Articles and News Releases

Recent EPA Perspectives Articles:

There are no results at this time.
Read EPA Perspectives

Recent EPA News Releases:

  • EPA Releases Proposal to Help Cleanup of Millions of Abandoned Tires, Promote Energy Dominance

    EPA issued a proposal to help clean up millions of abandoned tires throughout the U.S., addressing health and safety concerns related to tire piles in American communities.

    • Release Date: March 20, 2026
  • EPA Proposes to Give Colorado Primacy to Protect Underground Water Resources

    Keeping promise to fast track UIC permitting, expand cooperative federalism, bolster energy dominance

    Today, U.S. Environmental Protection Agency (EPA) announced its proposed approval of the state of Colorado’s request to administer permitting for Class VI underground injection wells (UIC) under the Safe Drinking Water Act (SDWA).

    • Release Date: March 19, 2026
  • Nuclear Metals Superfund Site Public Meeting Scheduled for April 2, 2026

    EPA News Release: Nuclear Metals Superfund Site Public Meeting Scheduled for April 2, 2026

    • Release Date: March 18, 2026
  • ICYMI: EPA Leads Update on Response to Potomac Interceptor Collapse

    EPA Senior Response Officer and Assistant Administrator for Water Jessica Kramer provided an update at a press conference on the coordinated federal response to the Potomac Interceptor collapse and resulting sewage crisis.

    • Release Date: March 18, 2026
Search all News Releases
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on February 26, 2026
  • 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 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.