Great Barrier Reef Marine Park Authority approves plan to dump millions of tons of dredge spoil . The Queensland government has approved a controversial proposal that would allow the dumping of up to 100 million tonnes of dredged material in an area known as Abbot Point. Environmental groups decry decision .
Great Barrier Reef Marine Park Authority approves plan to dump millions of tons of dredge spoil . Waste material will come from the expansion of a coal port . Environmental groups decry decision .