Putrid, potentially harmful levels of hydrogen sulfide blow off the fast-drying Salton Sea far more often than what is recorded by regional air regulators, according to new research. The gap is likely ...

Add Yahoo as a preferred source to see more of our stories on Google. In an aerial view, steam rises from fumaroles, or steam vents, situated between two of the five Salton Buttes lava dome volcanoes ...

SAN DIEGO — The recognizable sewage smell in the South Bay is hydrogen sulfide gas. It can cause headaches, lung irritation, nausea, dizziness, vomiting and is linked to serious long-term health ...

This story is published in partnership with The Examination, a nonprofit newsroom that investigates global health threats. The Permian Basin of West Texas and other oil-production regions are ...

Does anyone smell rotten eggs? The U.S. Army Corps of Engineers said conditions at Leesville Lake in Carroll County could result in the presence and possible release of hydrogen sulfide gases. The ...

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, while experts ...