More than 54,000 oil and gas wells in Texas are associated with dangerous concentrations of hydrogen sulfide. This invisible poisonous gas can be deadly at high levels of direct exposure. Chronic ...

The U.S. Chemical Safety and Hazard Investigation Board (CSB) released an update this week on its ongoing investigation into the October gas leak at the PEMEX Deer Park facility that resulted in the ...

This story is published in partnership with The Examination, a nonprofit newsroom that investigates global health threats. Poisonous hydrogen sulfide gas is well-known in the oil field for its ability ...

Preliminary investigations into the deaths of six people at a Northern Colorado dairy farm point toward the dairy farm workers being exposed to the toxic gas known as hydrogen sulfide, or "H2S." The ...

Getting your Trinity Audio player ready... The toxic gas eyed as a possible culprit in the deaths of six dairy workers in Weld County last week is an infrequent but potentially dangerous feature of ...