El Segundo’s Chevron oil refinery this week reported flaring and a pipe leak resulting in a sulfuric acid spill to separate regulatory agencies. A refinery spokesman said the events were unrelated.

Federal authorities have opened a criminal investigation of Chevron after discovering that the company detoured pollutants around monitoring equipment at its Richmond refinery for four years and ...

A pipe collecting methane below the City of Winnipeg's largest trash dump has busted, preventing the landfill from flaring off all of the harmful greenhouse gas. In April, operators of the ...