Turks and Caicos Islands
spiny lobster, conch
Tuvalu
fish
Uganda
copper, cobalt, hydropower, limestone, salt, arable land, gold
Ukraine
iron ore, coal, manganese, natural gas, oil, salt, sulfur,
graphite, titanium, magnesium, kaolin, nickel, mercury, timber,
arable land
United Arab Emirates
petroleum, natural gas
United Kingdom
coal, petroleum, natural gas, iron ore, lead, zinc,
gold, tin, limestone, salt, clay, chalk, gypsum, potash, silica
sand, slate, arable land
United States
coal, copper, lead, molybdenum, phosphates, uranium,
bauxite, gold, iron, mercury, nickel, potash, silver, tungsten,
zinc, petroleum, natural gas, timber
note: the US has the world's largest coal reserves with 491 billion
short tons accounting for 27% of the world's total
United States Pacific Island Wildlife Refuges terrestrial and aquatic wildlife
Uruguay
arable land, hydropower, minor minerals, fisheries
Uzbekistan
natural gas, petroleum, coal, gold, uranium, silver,
copper, lead and zinc, tungsten, molybdenum