Michael Regan

The EPA has blocked a decades-old proposal for a Pebble Mine project in Southwest Alaska, home to the world's largest sockeye salmon fishery.

EPA blocks decades-old proposal for copper and gold mine in Alaska

The EPA proposed what would be the first national drinking water standard for per- and poly-fluoroalkyl substances, better known as PFAS.

EPA proposes first national drinking water standard for PFAS

The EPA announced its most accurate count yet on how many lead pipes carry water into homes across the United States.

EPA releases lead water pipe survey amid push to improve quality