Climate: varies with altitude; humid and tropical to cold and
semiarid

Terrain: rugged Andes Mountains with a highland plateau
(Altiplano), hills, lowland plains of the Amazon Basin

Elevation extremes: lowest point: Rio Paraguay 90 m highest point: Nevado Sajama 6,542 m

Natural resources: tin, natural gas, petroleum, zinc, tungsten,
antimony, silver, iron, lead, gold, timber

Land use:
arable land: 2%
permanent crops: 0%
permanent pastures: 24%
forests and woodland: 53%
other: 21% (1993 est.)

Irrigated land: 1,750 sq km (1993 est.)

Natural hazards: cold, thin air of high plateau is obstacle to efficient fuel combustion, as well as to physical activity by those unaccustomed to it from birth; flooding in the northeast (March-April)

Environment—current issues: the clearing of land for agricultural purposes and the international demand for tropical timber are contributing to deforestation; soil erosion from overgrazing and poor cultivation methods (including slash-and-burn agriculture); desertification; loss of biodiversity; industrial pollution of water supplies used for drinking and irrigation

Environment—international agreements: party to: Biodiversity, Climate Change, Desertification, Endangered Species, Hazardous Wastes, Law of the Sea, Nuclear Test Ban, Tropical Timber 83, Tropical Timber 94 signed, but not ratified: Climate Change-Kyoto Protocol, Environmental Modification, Marine Dumping, Marine Life Conservation, Ozone Layer Protection

Geography—note: landlocked; shares control of Lago Titicaca, world's highest navigable lake (elevation 3,805 m), with Peru