Illegal ocean dumping persists despite DOJ crackdown

By Ronnie Greene

Federal prosecutors target dumping on the high seas, which taints global waterways with oil and other contaminants.

Related to this story

Coast Guard to revise self-assessment on oil spills

By Julie Vorman

Many Americans left behind in the quest for cleaner air

By Jim Morris, Chris Hamby and Elizabeth Lucas

Big increases in mercury and other toxic releases

By Marianne Lavelle

Few criminal cases target big air polluters

By Chris Hamby and Ronnie Greene