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Scowcroft, Brent

(Encyclopedia)Scowcroft, Brent, 1925–2020, U.S. air force general and government official, b. Ogden, Utah, B.S. United States Military Academy, 1947, Ph.D. Columbia, 1967. From 1947 to 1975, he served in the U.S....

Hampton, city, United States

(Encyclopedia)Hampton. <1> City (2020 pop. 8,368), Henry co., central Ga.; est. 1873. Originally known as Bear Creek, the town was moved and renamed when ...

Omaha, city, United States

(Encyclopedia)Omaha ōˈməhä, –hô [key], city (1990 pop. 335,795), seat of Douglas co., E Nebr., on the west bank of the Missouri River; inc. 1857. The largest city in the state, it is a busy port of entry and...

Montgomery, city, United States

(Encyclopedia)Montgomery, city (1990 pop. 187,106), state capital and seat of Montgomery co., E central Ala., near the head of navigation on the Alabama River just below the confluence of the Coosa and Tallapoosa r...

Memphis, city, United States

(Encyclopedia)Memphis mĕmˈfĭs [key], city (1990 pop. 610,337), seat of Shelby co., SW Tenn., on the Fourth, or Lower, Chickasaw Bluff above the Mississippi, at the mouth of the Wolf River; inc. 1826. A river por...

Arlington, county, United States

(Encyclopedia)Arlington, county (2020 pop. 238,643), N Va., across the Potomac River from Washington, D.C. Arlington is a residential and commercial suburb of Washington. Within its boundaries are Arlin...

Spokane, city, United States

(Encyclopedia)Spokane spōkănˈ [key], city (1990 pop. 177,196), seat of Spokane co., E Wash., at the spectacular falls of the Spokane River; inc. 1881. It is a port of entry and the commercial, transportation, an...

Wright-Patterson Air Force Base

(Encyclopedia)Wright-Patterson Air Force Base, U.S. military installation, 8,023 acres (3,247 hectares), W Ohio, NE of Dayton; est. 1917. One of the largest airport installations in the world, it is the air force's...

Wichita, city, United States

(Encyclopedia)Wichita wĭchˈĭtô [key], city (1990 pop. 304,011), seat of Sedgwick co., S central Kans., at the confluence of the Arkansas and Little Arkansas rivers; inc. 1870. It is the chief commercial and ind...

air pollution

(Encyclopedia)air pollution, contamination of the air by noxious gases and minute particles of solid and liquid matter (particulates) in concentrations that endanger health. The major sources of air pollution are t...

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