A coalition of 80 non-governmental organisations are pushing for an international moratorium on deep sea mining following a report by the Deep Sea Mining Campaign and MiningWatch Canada, Predicting the impacts of mining deep sea polymetallic nodules in the Pacific Ocean: A Review of Scientific Literature. The report states that the impacts of polymetallic nodule mining in the Pacific Ocean would be extensive, severe and last for generations, causing essentially irreversible damage, thus requiring rigorous independent studies.