Science & Technology

Village Blue Lake Pontchartrain Offers New Orleanians Insights into Local Water Quality

EPA recently launched Village Blue Lake Pontchartrain, a water quality monitoring project in New Orleans that’s helping the community learn more about their local water quality and its greater connection to the Mississippi River.

Down by the Seashore: EPA Corals Lab Helps Protect Coral Reefs

At EPA's lab in Gulf Breeze, Florida, scientists address some of the pressing issues affecting coral reefs including dredging, plastic pollution, higher ocean temperatures, and changing ocean chemistry.

Freshwater Harmful Algal Blooms Request for Applications (RFA)

EPA is seeking regular and early career applications proposing innovative research on the prediction, prevention, control and mitigation of freshwater HABs as well as the drivers, life cycle patterns, and fate of and effects from from less-common, less

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.

Check Out EPA’s Office of Research and Development Earth Month Events

Here’s how you can celebrate with EPA on Earth Day and throughout the month of April.

How EPA Scientists Use Fish eDNA to Assess Estuarine Health

EPA researchers are exploring environmental DNA (eDNA) sampling as a modern approach for collecting basic fish community information.

Current Affairs: Studying Oil Spills in Freshwater Streams

At EPA’s unique Experimental Stream Facility (ESF) just east of Cincinnati, Ohio, a large high-bay laboratory space is filled with 16 stream channels, each nearly 30 feet long and equipped with a variety of monitoring instruments.

Inside EPA: A Closer Look at Some of EPA’s Laboratory Research Facilities

Ever wondered what’s happening behind the scenes at EPA research labs? Scientists and engineers are conducting research to address geographically-based environmental issues and advance science to support public health and the environment.

2024 Science Matters Stories

A collection of all the 2024 Science Matters stories published.

Report of the Workshop on Selecting Input Distributions for Probabilistic Assessments

The workshop and this report will assist EPA in developing a framework and guidance for selecting input distributions for probabilistic risk assessments.

Climate Change Indicators: Tropical Cyclone Activity

This indicator examines the frequency, intensity, and duration of hurricanes and other tropical storms in the Atlantic Ocean, Caribbean, and Gulf of America.

Site Map for CADDIS

This page is include as another way to help you find the pages and sections available across the 5 CADDIS volumes.

Office of Air and Radiation Grants: FOIA Records Repository

Office of Air and Radiation Grant Program Repository

Bioassessment and Biocriteria Program Status for South Dakota: Streams and Wadeable Rivers

Biocriteria Program Status of South Dakota

Tools for Calculating Radiation Dose and Risk

EPA's science-based tools help radiation-protection professionals calculate radiation dose and risk.

High-Throughput Toxicokinetics R Package Version 2.3.0

EPA researchers develop models to help estimate the amount of a chemical in the body which could lead to an effect.

Institutional Cookstoves: New International Testing Standards

Institutional cookstoves can be harmful for public health and the environment. EPA research has supported new international testing standards that will ensure cleaner, safer models around the world.

EPA and Partners Describe a Chemical Category Prioritization Approach to Select 75 PFAS for Testing using New Approach Methods

EPA researchers are using new methods to generate PFAS toxicity data.

EPA Researchers: 2017 Reflections and Hopes for 2018

EPA researchers share reflections on 2017 and their hopes for 2018.