(Encyclopedia) American water spaniel, breed of medium-sized sporting dog developed in the American Midwest. It stands about 17 in. (43.2 cm) high at the shoulder and weighs between 30 and 40 lb (13.…
(Encyclopedia) water, desalination of, process of removing soluble salts from water to render it suitable for drinking, irrigation, or industrial uses. The principal methods used for desalination…
(Encyclopedia) water wheel, device for utilizing the power of flowing or falling water. The Norse wheel is the oldest type known. Despite its name it probably originated in the Middle East, where the…
COASTAL EROSIONSEA-LEVEL CHANGEFIND OUT MORECoasts, which form the boundary between land and ocean, receive a constant battering from the wind and waves. In calm weather, the water merely…
(Encyclopedia) Salton SeaSalton Seasôlˈtən [key], saline lake, 370 sq mi (958 sq km), northern part of the Imperial Valley, SE Calif.; 232 ft (71 m) below sea level. The area was anciently the…
Source: Pexels
Few among us think about the ocean but it is the lifeblood of our planet. It provides food, regulates the climate, and is a key part of the global economy. And yet, it is in crisis…
Each year the organization American Rivers analyzes the condition of the nation's rivers to determine which are the most “endangered.” Threats to these rivers include dams and channelizations that…
The environment is something you are very familiar with. It's everything that makes up our surroundings and affects our ability to live on the earth—the air we breathe, the water that covers most…
(Encyclopedia) UralUraly&oobreve;rˈəl, Rus. &oomacr;rälˈ [key], river, c.1,580 mi (2,540 km) long, rising in the S Urals, flowing through Russia and Kazakhstan. Part of the traditional…