Hydrogen sulfide (H₂S) is a colorless gas with a distinct rotten egg odor. It occurs naturally in many industries, including manure storage, oil and gas operations, sewage treatment, tank cleaning, ...

SAN DIEGO (FOX 5/KUSI) — The Tijuana River sewage crisis has been happening for decades and has been at the center of ongoing environmental and public health policy discussions between politicians at ...

DENVER -- 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 this type of agricultural work, ...

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 ...

New research shows the Salton Sea is emitting hydrogen sulfide gas, which smells like rotten eggs, at levels higher than previously measured. Researchers say such levels of the gas raise health ...

“TJ River Stench” written on the ground next to a “hot spot” where scientists measured high levels of hydrogen sulfide gas in the Tijuana River. It’s located just south of Berry Elementary on Nov. 20, ...

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 ...