As far as the environment of Papua New Guinea is concerned, there have been rainforest loss as a result of commercial demand for tropical timber; soil erosion, water-quality degradation, and loss of habitat from logging; effects of large-scale mining projects (discharge of heavy metals, cyanide, and acids into rivers); severe drought; land degradation from poor farming practices; poor fishing practices; coastal pollution due to runoff and oil spills. As for nvironment - international agreements, we have; Antarctic Treaty, Biodiversity, Climate Change, Climate Change-Kyoto Protocol, Climate Change-Paris Agreement, Desertification, Endangered Species, Environmental Modification, Hazardous Wastes, Law of the Sea, Marine Dumping-London Convention, Nuclear Test Ban, Ozone Layer Protection, Ship Pollution, Tropical Timber 2006, Wetlands.