Emissions of the air pollutant sulfur dioxide have been dramatically decreased during the past 30 years but for some people even a little inhaled sulfur dioxide may still be too much. "Asthmatics are ...

WASHINGTON The Environmental Protection Agency issued a new health standard on Thursday for sulfur dioxide emissions, the first such revision in nearly 40 years. The agency said the new standard, ...

Among the many threats Hawaii’s Kilauea volcano poses — dangerous sulfur dioxide concentration, lava flowing through neighborhoods, boulders-turned-ballistic missiles — is acid rain, says the U.S.

Hawaii’s Kilauea Volcano has had a busy 12 days. Since it started erupting on May 3, it’s opened up 17 fissures, shot giant rocks into the air, literally screamed, and released copious amounts of ...

Emissions of sulfur dioxide — a toxic gas with a nasty smell — are regulated and monitored in the U.S., but they can easily go underreported in other countries. In fact, a team of researchers recently ...

WASHINGTON, D.C. - Reduced sulfur dioxide emissions from Painesville’s municipal power plant and the 2015 closure of FirstEnergy’s Eastlake power plant has brought Lake County into compliance with ...

The eruption of Kilauea volcano that began Sunday could cause air quality hazards across the islands, the state Department of Health cautioned residents Tuesday. While all activity is within Hawai’i ...

Volcanoes erupt, they spew ash, their scarred flanks sometimes run with both lava and landslides. But only occasionally. A less dramatic but important process is continuous gas emissions from ...

More than a year has passed since Michigan missed an EPA deadline to come up with a plan to reduce unhealthy concentrations of sulfur dioxide in St. Clair County. The Environmental Protection Agency ...