Science & Technology

Tutorial: Create a RETIGO File from an Excel Spreadsheet

Real Time Geospatial Data Viewer Allows users to view their mobile monitored air quality data

Climate Change Research

EPA conducts research to understand the environmental and health impacts of climate change and to provide sustainable solutions for adapting to and reducing the impact from a changing climate.

National Research Programs

EPA's Office of Research and Development supports six research programs that identify the most pressing environmental health research needs with input from EPA offices, partners, and stakeholders.

Estuaries and the National Estuary Program

Provides information about estuaries and the National Estuary Program

Design Value Interactive Tool

This page displays the Design Value Interactive Tool

This page is about the METRO tool that is part of the Global Climate Explorer set of tools using an ESRI map to display the data. It was taken offline in 2021 to be released by a newer tool. See the 2017 Final Report for more details on using METRO.

Summary of Maryland's Water Reuse Guideline or Regulation for Landscaping

Maryland (State Regulation) | Source water: Treated municipal wastewater | End use: Landscaping

Summary of Texas' Water Reuse Guideline or Regulation for Onsite Non-Potable Water Reuse, Industry, Landscaping, and Agriculture

Texas (State Regulation) | Source water: Onsite collected waters | End use: Onsite non-potable reuse

Current Law, Regulations and Guidance for State and Local Transportation

This page provides access to all transportation conformity regulations, including final rules and rulemakings currently in progress.

From the Desk of the Regional Administrator - "EPA Region 7 Celebrates Earth Day 2026"

EPA Region 7’s “From the Desk of the Regional Administrator” newsletter gives residents of Iowa, Kansas, Missouri, and Nebraska a chance to hear from Regional Administrator Jim Macy on EPA’s work in their communities.

Excess Food Opportunities Map

EPA created the excess Food opportunities mapping tool to help move food and food residuals up the Food Recovery Hierarchy.

Toxicology Testing in the 21st Century (Tox21)

Tox21 researchers aim to develop better toxicity assessment methods to quickly and efficiently test whether certain chemical compounds have the potential to disrupt processes in the human body that may lead to negative health effects.