Related Clues:

• One of the Stockholm Convention's ''dirty dozen''
• What Carson warned about
• Rachel Carson concern
• What Rachel Carson wanted banned
• Subject for Ms. Carson
• Spray banned in '72
• Ms. Carson's target
• Erstwhile controller of Dutch elm disease
• Banned pesticide, for short
• Noted organochloride, in brief
• Subj. of Rachel Carson's "Silent Spring"
• Insecticide banned in the U.S
• Pesticide banned in some countries since 1972
• Banned compound once used to control malaria
• Banned antimalarial