Western Sahara:
phosphates, iron ore

World:
the rapid using up of nonrenewable mineral resources, the
depletion of forest areas and wetlands, the extinction of animal and
plant species, and the deterioration in air and water quality
(especially in Eastern Europe, the former USSR, and China) pose
serious long-term problems that governments and peoples are only
beginning to address

Yemen:
petroleum, fish, rock salt, marble, small deposits of coal,
gold, lead, nickel, and copper, fertile soil in west

Yugoslavia:
oil, gas, coal, antimony, copper, lead, zinc, nickel,
gold, pyrite, chrome, hydropower, arable land

Zambia:
copper, cobalt, zinc, lead, coal, emeralds, gold, silver,
uranium, hydropower

Zimbabwe:
coal, chromium ore, asbestos, gold, nickel, copper, iron
ore, vanadium, lithium, tin, platinum group metals

Taiwan:
small deposits of coal, natural gas, limestone, marble, and
asbestos

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@Net migration rate

Afghanistan:
11.11 migrant(s)/1,000 population (2001 est.)