Gov. Gavin Newsom has signed two bills targeting the health effects of the Tijuana River sewage crisis. One orders the state’s first update in more than a half-century to its hydrogen sulfide air ...

Hydrogen sulfide, a toxic by-product of oil and gas operations and certain industrial processes, represents both an environmental liability and a potential resource for clean energy. Conversion of H₂S ...

The first readings Abigail Edgar took of hydrogen sulfide and methane at oilfields in Caldwell County in 2021 were so high that she thought her equipment was malfunctioning. “It was off the scales.

Hydrogen sulfide readings in the South Bay have exceeded the county’s safety threshold with growing frequency in 2026, signaling a worsening trend in the presence of the toxic gas despite ongoing ...