 Protests against processing and export via an enlarged Gladstone port at Curtis Island, escalated in 2012 and UNESCO have called for greater environmental assessment of the port proposal for the World Heritage Listed Great Barrier Reef.There are also concerns over the pollution of water from the Great Artesian Basin.This Wikipedia article contains text from ""The Queensland heritage register"" published by the State of Queensland under licence (accessed on 7 July 2014, archived on 8 October 2014).