Heavy metals, nitrogen and ammonia are spilling from oil refineries, tainting the Mississippi, Gulf of Mexico
Where are 8 of the worst water polluting refineries – here

Heavy metals, nitrogen and ammonia are spilling from oil refineries, tainting the Mississippi, Gulf of Mexico
New attention focused on industrial flares: How well do they work in limiting air pollution?
State’s oil refineries, chemical plants produce more than half its greenhouse gas emissions