Agency is forbidden from taking costs into account when writing rules like one proposed this week that would lower amount of smog-causing ozone allowed in the air.

Making cement and concrete produces a ton of CO2, but there might be a better way.

A global glut of oil has potential to pit key suppliers in a price war.

The drought is impacting more than just water.

Why reducing acid in rain is just the first step in recovery.

Americans worry less about the environment than scientists say we should

By signing a new deal with the EPA, BP agrees to more oversight

Groups say pieces of plastic — called microbeads — end up in our waterways

Sriracha hot sauce’s unique burn has been drifting out of its factory and into the surrounding neighborhood of Irwindale, CA.

A byproduct of refining gasoline clouds the skies of a South Side Chicago neighborhood.