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| | MSN Encarta - Switzerland |
 | | Internationally, Switzerland is bound by environmental agreements on air pollution, the Antarctic Treaty, biodiversity, climate change, endangered species, environmental modification, hazardous wastes, marine dumping, marine life, nuclear test ban, ozone layer, ship pollution, tropical timber, and whaling. |
 | | Switzerland has a population of 7,489,370 (2005 estimate) yielding an overall population density of about 188 people per sq km (488 per sq mi). |
 | | Switzerland is a confederation of 23 states, called cantons, 3 of which are subdivided into half-cantons for administrative purposes. |
| uk.encarta.msn.com /encyclopedia_761571795_2/Switzerland.html (742 words) |
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