International rankings of Iran Environment and ecology Rankings

| Name_ | Rank_ | Out_of | Source_ | Year_ |
|---|---|---|---|---|
| Environmental Sustainability Index | 132 | 146 | Yale University | 2005 |
| Greenhouse emissions per capita | 74 | World | World Resources Institute | 2000 |
| Number of species under threat of extinction | 37 | 158 | United Nations | 1999 |
| Happy Planet Index | 81 | 178 | New Economics Foundation | 2009 |
| Environmental Performance Index | 78 | 153 | Yale University / Columbia University | 2010 |
| Total renewable water resources | 58 | 151 | CIA World Factbook | 2008 |
| Water availability per capita | 116 | 141 | United Nations | 2001 |
| Biodiversity Richness | 13 | 53 | World Conservation Monitoring Centre | 1994 |
| Carbon efficiency | 28 | 141 | Carbon Dioxide Information Analysis Center | 2005 |
| Coral reefs area | 19 | 28 | United Nations | 2005 |