Kanlaon Volcano on Negros Island emitted 4,633 tons of sulfur dioxide over the past 24 hours, the Philippine Institute of ...

Taal Volcano’s emission of harmful sulfur dioxide gas has decreased, the Philippine Institute of Volcanology and Seismology ...

Mount Etna's violent eruption on Monday morning (June 3) could be seen from space as striking satellite images photographed ...

Legislators, officials from the Delaware Department of Natural Resources and Environmental Control and refinery ...

An equipment failure causing the Delaware City Refinery to emit sulfur dioxide above permitted levels is expected to take two ...

The Delaware City Refinery has been continuously releasing more than permitted amounts of toxic sulfur dioxide into the air ...

The Allegheny County Health Department is investigating elevated sulfur levels in coke oven gas reported over several hours ...

Scientists have found a way to monitor volcanic carbon dioxide levels — one of the first signs a volcano might be about to ...

The Delaware City Refinery continues to release a toxic air pollutant outside the limits of its permit, more than a week ...

The Delaware City Refinery has released sulfur dioxide, an eye and respiratory irritant that can cause death after short ...