Science & Technology

West Coast Collaborative: Partnering to Reduce Diesel Emissions

West Coast Collaborative is a voluntary public-private partnership committed to reducing diesel emissions and advancing clean technologies throughout the western United States.

Green Infrastructure Funding and Technical Assistance Opportunities

Federal, nonprofit, and local funding resources are available to help communities implement green infrastructure.

Extent and Distribution

This page explains the connection of the ROE indicators to the chapter themes. This page includes the ROE questions, lists of the related indicators, and additional background information.

Consumable Fish and Shellfish

This page explains the connection of the ROE indicators to the chapter themes. This page includes the ROE questions, lists of the related indicators, and additional background information.

Land Cover

This page explains the connection of the ROE indicators to the chapter themes. This page includes the ROE questions, lists of the related indicators, and additional background information.

Wastes

This page explains the connection of the ROE indicators to the chapter themes. This page includes the ROE questions, lists of the related indicators, and additional background information.

Drinking Water

This page explains the connection of the ROE indicators to the chapter themes. This page includes the ROE questions, lists of the related indicators, and additional background information.

Ground Water

This page explains the connection of the ROE indicators to the chapter themes. This page includes the ROE questions, lists of the related indicators, and additional background information.

Outdoor Air Quality

This page explains the connection of the ROE indicators to the chapter themes. This page includes the ROE questions, lists of the related indicators, and additional background information.

Greenhouse Gases

This page explains the connection of the ROE indicators to the chapter themes. This page includes the ROE questions, lists of the related indicators, and additional background information.

Indoor Air Quality

This page explains the connection of the ROE indicators to the chapter themes. This page includes the ROE questions, lists of the related indicators, and additional background information.

Connection Between Environmental Exposure and Health Outcomes

This page gives some examples that show how there is a relationships between environmental exposures and health outcomes which can only be established through well-designed epidemiological, toxicological, and clinical studies.

History of the ROE

Since 2003, EPA has produced the ROE, this page outlines that history, includes the related publications, and a list of indicators no longer part of the online report.

Sustainability and the ROE

As a source of information about trends in the condition of the environment and human health, the ROE indicators can inform decision-making when the desired outcome must balance human health, environmental, social, and economic risks and benefits.

ROE Frequent Questions

This page answers the most common questions visitors have about the ROE and ROE website.

EPA's Report on the Environment Fact Sheet

EPA has developed the Report on the Environment (ROE) to provide important information about the status and trends in the environment and human health through scientific indicators.

Fresh Surface Waters

This page explains the connection of the ROE indicators to the chapter themes. This page includes the ROE questions, lists of the related indicators, and additional background information.

Top Management Challenges for EPA and CSB

Top Management Challenges Reports issued by the Office of Inspector General

Report: The EPA’s Fiscal Year 2026 Top Management Challenges

Restoration Science Resources

Links to EPA and external information resources on the restoration of wetlands and watersheds.