Protected land as percentage of total land area: 3% (1% partially protected) CO2 emissions trend: 0.4 tonnes per capita ENVIRONMENTAL TREATIES  |  |  | Convention on the International Trade in Endangered Species of Wild Fauna and Flora (CITES) Washington DC, 1973 |  | yes |  |  |  |  |  | Convention on Biological Diversity Earth Summit in Rio, 1992 |  | yes |  |  |  |  |  | 1992 Amendment to protocol on substances that deplete the ozone layer (amendment to Montreal Protocol) Copenhagen, 1992 |  | yes |  |  |  |  |  | Kyoto Convention on reduction of greenhouse gas emissions Earth Summit in Kyoto, 1997 |  | no |  |  |  |  |  | Basel convention on the dumping of hazardous wastes (Basel) Basel, 1989 |  | yes |  |  |  |  |  | Convention on Wetlands of International Importance (Ramsar) Ramsar, Iran 1971 |  | yes |  |  |
Oil industry pollution in the Niger Delta, a major local concern, came to international attention in 1995; Shell has been particularly condemned. Before the discovery of a highly toxic cargo in 1988, Nigeria was a dumping ground for European chemical waste. From "The Financial Times World Desk Reference" © Dorling Kindersley 2004 |