hydrogen sulfide gas
Coverage of hydrogen sulfide gas in the Nexus archive.
- Grupo Mexico Train Derailment Triggers Toxic Spill in Sonora
A Ferromex train operated by Grupo Mexico derailed in Sonora, releasing approximately 59,000 litres of sodium hydrosulfide, a toxic industrial compound that can produce hazardous hydrogen sulfide gas when exposed to water or acids. Local authorities implemented evacuations and shelter-in-place protocols in response to the spill.
- Record seaweed invasion leaves beachgoers gagging as fumes raise health fears
A record amount of sargassum seaweed is washing ashore in South Florida, creating unsightly mounds and noxious odors from decomposing hydrogen sulfide gas. Health officials warn the gas can irritate respiratory systems, particularly for those with asthma, as seaweed coverage reaches 4% of the ocean's surface. The expansion of the 'Great Atlantic Sargassum Belt' since 2011 is linked to shifting wind patterns.