Hydrogen sulfide, a colorless gas that smells like rotten eggs, is produced naturally from decaying matter. This gas is lethal to breathe in, and hydrogen sulfide present in high concentrations ...

At the Salton Sea State Recreation Area in Southern California, the smell of rotten eggs permeates the air. The odor is hydrogen sulfide, a gas produced by microbes in water depleted of oxygen. As the ...

It was a year in which the Tijuana River — the polluted corridor that carries sewage, trash and toxins across the U.S.-Mexico ...

State health officials have begun monitoring a facility that converts cow manure into natural gas after elevated levels of an ...

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Sharon Costigan, who lives in Chesapeake Harbor and is a chemist, said she reviewed data from the Department of Public Works and is concerned about the devices used to measure hydrogen sulfide levels.

The Platte River Biogas facility is located near the town of LaSalle. Health officials say they've detected hydrogen sulfide, also known as swamp gas, at the facility. The Colorado Department of ...

Pierce County will soon begin construction on urgent repairs to a sewer pipe in Lakewood after a recent inspection of ...

Swimmers and surfers have long complained of illnesses caused by sewage and industrial waste drifting from Tijuana up the San Diego coast. Last year researchers found that the pollution was not only ...