The EPA said it placed 139 employees on paid leave to investigate their use of official titles when signing the letter.

Trump's bill paves the way to increase carcinogenic pollutants and endanger cancer research and healthcare in the U.S.

A number of beaches in San Diego County are closed due to high bacteria levels from sewage flowing from Mexico down the ...

The exhaust from airplanes contains small particles called aerosols. These particles act as a “landing zone” for the molecules in water vapor. Under the right conditions, the water molecules come ...

Several New England EPA employees were suspended after signing a letter critical of the Trump administration's environmental ...