A more-than-permitted amount of sulfur dioxide is being released into the air. Air quality remains safe, DNREC reports ...

Town hall attendees were told the excess sulfur dioxide will continue to be emitted from the refinery until repairs are finished.

The gas pulled from tens of thousands of wells in New Mexico has reaped huge benefits for the entire country. But those ...

Iowans — especially those with heart and lung disease — should avoid long or intense activities and take extra breaks during strenuous activity outdoors in areas where air quality is rated unhealthy.

Smoke from Canadian wildfires worsened air quality in the eastern U.S. on Wednesday as several Midwestern states battled ...

The clouds in Antarctica might be fueled by penguin poop. Penguin poop - sorry, penguin guano - is creating clouds in Antarctica that could be affecting local temperatures, according to new research ...

Smoke from Canadian wildfires carried another day of poor air quality south of the border to the Midwest, where conditions in parts of Minnesota, Wisconsin and Michigan were ...

Two Fort Collins petition efforts aim to place measures regarding natural areas on future city ballots. One petition seeks to renew and make permanent a sales tax funding natural area acquisition ...

The Top End of Australia's Northern Territory contains an extensive, awe-inspiring expanse of tropical savanna landscapes. It ...

Elevated sulfur levels reported at the Clairton Coke Works plant this week have some residents concerned for their health. It ...