As far as the environment of Australia is concerned, there have been soil erosion from overgrazing, deforestation, industrial development, urbanization, and poor farming practices; limited natural freshwater resources; soil salinity rising due to the use of poor quality water; drought, desertification; clearing for agricultural purposes threatens the natural habitat of many unique animal and plant species; disruption of the fragile ecosystem has resulted in significant floral extinctions; the Great Barrier Reef off the northeast coast, the largest coral reef in the world, is threatened by increased shipping and its popularity as a tourist site; overfishing, pollution, and invasive species are also problems. As for nvironment - international agreements, we have; Antarctic-Environmental Protection, Antarctic-Marine Living Resources, Antarctic Seals, Antarctic Treaty, Biodiversity, Climate Change, Climate Change-Kyoto Protocol, Climate Change-Paris Agreement, Comprehensive Nuclear Test Ban, Desertification, Endangered Species, Environmental Modification, Hazardous Wastes, Law of the Sea, Marine Dumping-London Convention, Marine Dumping-London Protocol, Marine Life Conservation, Nuclear Test Ban, Ozone Layer Protection, Ship Pollution, Tropical Timber 2006, Wetlands, Whaling.