Topics of Interest. Petroleum in the Deep SeaDeep Sea mining for petroleumPotential for waste disposal in the Deep SeaSpecific examples of anthropogenic impactsPotential for Deep Sea mining of manganese nodulesConservation efforts. . . . . Petroleum in the Deep Sea. 5-6 million tons of oil enters the ocean/yr.HydrocarbonsDirect toxicityBehavioural changesTissue damageDeep Sea organisms may handle toxins in an alternative manor .