EPA’s Repeal of the 2009 GHG Endangerment Finding: A Data Grounded Perspective on the Road Ahead
What EPA's repeal of the 2009 GHG Endangerment Finding could mean
Ecological impacts of Per- and Polyfluoroalkyl Substances (PFAS)
PFAS are persistent synthetic chemicals that accumulate in soil, water, and in tissues of organisms. Scientists are working to better understand their movement, persistence, and risks to ecological health.
May 2025 news update on PFAS regulations
New updates on PFAS regulations were released in April 2025.
PFAS Strategic Roadmap Accomplishments and Future Outlook
We first reviewed the U.S. Environmental Protection Agency’s (EPA) PFAS Strategic Roadmap: 2021-2024 in March 2022, and have since posted periodic updates. With the recent conclusion of the 2021-2024 implementation period, we now reflect on accomplishments and speculate about potential future directions.
EPA Passes Final PFAS National Primary Drinking Water Regulation
EPA released the final National Primary Drinking Water Regulation (NPDWR) on April 10, 2024.