Know Your Air: US EPA Power Plant Rollbacks Explained
The EPA recently repealed stronger mercury limits for power plants & proposed scrapping greenhouse gas standards - reversing protections finalized in 2024:
https://www.lung.org/blog/powerplant-emissions-rollback
How EPA’s New Rollbacks Could Fuel Toxic Pollution Nationwide

EPA is working on repealing major air‑pollution rules for fossil‑fuel power plants, including weakening protections against mercury and other toxic emissions.