Chicago Sun-Times | EDITORIAL: Bubbly Creek oil spill shows why we need EPA Chicago Sun-Times When someone saw an oil-encrusted goose and alerted authorities last week, Region 5 scientists swung into action. Donning yellow jumpsuits in the chilly, damp Chicago weather, they set out to take samples, track the source of the leak and stop the oil ... EPA searches for source of Chicago River oil spill Origin of oil spill in Chicago River remains mystery Fork of Chicago River known as Bubbly Creek closed after oil spill |