total: 17.32 cu km/yr (10%/1%/89%)
per capita: 705 cu m/yr (2000)
Natural hazards:
frequent sand and dust storms
volcanism: Despite Saudi Arabia's many volcanic formations, there has been little activity in the past few centuries; volcanoes include Harrat Rahat, Harrat Khaybar, Harrat Lunayyir, and Jabal Yar
Environment - current issues:
desertification; depletion of underground water resources; the lack of perennial rivers or permanent water bodies has prompted the development of extensive seawater desalination facilities; coastal pollution from oil spills
Environment - international agreements:
party to: Biodiversity, Climate Change, Climate Change-Kyoto Protocol, Desertification, Endangered Species, Hazardous Wastes, Law of the Sea, Marine Dumping, Ozone Layer Protection, Ship Pollution
signed, but not ratified: none of the selected agreements