Those living in the shadow of an Iowa corn processing plant allege damage from years of air pollution.

The EPA and Justice Department issue a $950,000 fine and order millions in pollution control technology at three coal-fired power plants.

Thousands of polluted properties remain despite $1.5 billion in federal assistance

The EPA’s inspector general has begun a review of the agency's use of internal watch lists of alleged chronic polluters nationwide.

Tens of millions of Americans drink tap water tainted with chromium. But industry pushback has made it hard for the EPA to regulate.

Investigation pushes EPA to change policies