Land boundaries:
total: 5,968 km
border countries: Cameroon 1,094 km, Central African Republic 1,197
km, Libya 1,055 km, Niger 1,175 km, Nigeria 87 km, Sudan 1,360 km
Coastline: 0 km (landlocked)
Maritime claims: none (landlocked)
International disputes: the International Court of Justice (ICJ) ruled in February 1994 that the 100,000 sq km Aozou Strip between Chad and Libya belongs to Chad and that Libya must withdraw from it by 31 May 1994; Libya has withdrawn some of its forces in response to the ICJ ruling, but still maintains part of the airfield and a small military presence at the airfield's water supply located in Chad; demarcation of international boundaries in vicinity of Lake Chad, the lack of which has led to border incidents in the past, is completed and awaiting ratification by Cameroon, Chad, Niger, and Nigeria
Climate: tropical in south, desert in north
Terrain: broad, arid plains in center, desert in north, mountains in northwest, lowlands in south lowest point: Djourab Depression 175 m highest point: Emi Koussi 3,415 m
Natural resources: petroleum (unexploited but exploration under
way), uranium, natron, kaolin, fish (Lake Chad)
Land use:
arable land: 2%
permanent crops: 0%
meadows and pastures: 36%
forest and woodland: 11%
other: 51%
Irrigated land: 100 sq km (1989 est.)
Environment:
current issues: inadequate supplies of potable water; improper waste
disposal in rural areas contributes to soil and water pollution;
desertification
natural hazards: hot, dry, dusty harmattan winds occur in north;
periodic droughts; locust plagues
international agreements: party to - Biodiversity, Climate Change,
Endangered Species, Nuclear Test Ban, Ozone Layer Protection,
Wetlands; signed, but not ratified - Desertification, Law of the
Sea, Marine Dumping