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Appearance. Drinking water quality in the United States is generally safe. In 2016, over 90 percent of the nation's community water systems were in compliance with all published U.S. Environmental Protection Agency (US EPA) standards. [ 1 ] Over 286 million Americans get their tap water from a community water system.
Water storage. Water storage is a broad term referring to storage of both potable water for consumption, and non potable water for use in agriculture. In both developing countries and some developed countries found in tropical climates, there is a need to store potable drinking water during the dry season. In agriculture water storage, water is ...
According to William A. Darity, Jr. and Patrick L. Mason, there is a strong horizontal occupational division in the United States on the basis of gender; in 1990, the index of occupational dissimilarity was 53%, meaning 53% of women or 47% of men would have to move to a different career field in order for all occupations to have equal gender ...
Under the law, the Immigration and Nationality Act of 1965, [122] the number of first-generation immigrants living in the United States has increased, [123] from 9.6 million in 1970 to about 38 million in 2007. [124] Around a million people legally immigrated to the United States per year in the 1990s, up from 250,000 per year in the 1950s. [125]
t. e. In the United States, the rights of transgender people vary considerably by jurisdiction. In recent decades, there has been an expansion of federal, state, and local laws and rulings to protect transgender Americans; however, many rights remain unprotected, and some rights are being eroded. Since 2020, there has been a national movement ...
WaterGAP. The global freshwater model WaterGAP calculates flows and storages of water on all continents of the globe (except Antarctica), taking into account the human influence on the natural freshwater system by water abstractions and dams. It supports understanding the freshwater situation across the world's river basins during the 20th and ...
Water conservation aims to sustainably manage the natural resource of fresh water, protect the hydrosphere, and meet current and future human demand. Water conservation makes it possible to avoid water scarcity. It covers all the policies, strategies and activities to reach these aims. Population, household size and growth and affluence all ...
Water pollution in the United States is a growing problem that became critical in the 19th century with the development of mechanized agriculture, mining, and industry, although laws and regulations introduced in the late 20th century have improved water quality in many water bodies. [1] Extensive industrialization and rapid urban growth ...