They are seeking a court order requiring the agency to grant or deny a clean air petition filed 10 months ago related to one of the largest steel mills in North America.

Groups filed a lawsuit against the EPA saying the agency failed to adhere to provisions under Clean Air Act when considering a steel maker's permit.

Add Yahoo as a preferred source to see more of our stories on Google. FILE PHOTO: Fisk Coal Station’s smokestack lies dormant in Chicago, Illinois, U.S., as the century-old electric generating plant ...

Environmental and community groups are suing the U.S. Environmental Protection Agency for failing to act on a petition challenging U.S. Steel Gary Works operating permit renewal.

Three Iowa environmental groups have filed a lawsuit against the U.S. Environmental Protection Agency (EPA) and the Trump administration after seven Iowa waterways were removed from the state’s ...

EPA gave grocery stores five additional years to switch to buying food storage systems that don't use hydrofluorocarbons.

DES MOINES, Iowa (IOWA CAPITAL DISPATCH) - Three environmental groups are suing the Trump administration over the Environmental Protection Agency’s decision to remove seven Iowa waterways from the ...