The lowest point of Iran is the Caspian Sea - 28 m whereas the highest point is Kuh-e-Damavand at 5,671 m. Among the small rivers the only one navigable is the Karun through which shallow-draft boats can move from Khorramshahr to Ahvaz. Iran geography also includes the various natural resources of Iran like petroleum, natural gas, coal, and chromium and information about where they can be found. The extent of irrigated land in Iran is 75,620 sq km. The types of natural hazards that torment the life of Iranian people are periodic droughts, floods, dust storms, sandstorms and earthquakes.
The common environmental threats to the geogrpahy of Iran are air pollution, deforestation; overgrazing; desertification; oil pollution in the Persian Gulf; wetland losses from drought; soil degradation; inadequate supplies of potable water and water pollution.
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