(Encyclopedia) noise pollution, human-created noise harmful to health or welfare. Transportation vehicles are the worst offenders, with aircraft, railroad stock, trucks, buses, automobiles, and…
(Encyclopedia) pollution allowance or emission rights, government-issued permit to emit a certain amount of a pollutant. The holder of the permit may use it to pollute legally, may trade permits, or…
(Encyclopedia) water supply, process or activity by which water is provided for some use, e.g., to a home, factory, or business. The term may also refer to the supply of water provided in this way.…
U.S. congresswomanBorn: 1938Birthplace: St. Louis, Mo. Waters has been a member of Congress since 1991. The fifth of 13 children, Waters began working as a bus girl in a segregated restaurant when…
(McKinley Morganfield)blues singerBorn: 4/4/1915Birthplace: Rolling Fork, Mississippi Blues singer and guitarist who plugged in Delta blues and is considered one of rock's most influential…
Source: National Institute of Standards and Technology Physics Laboratory Water clocks were among the earliest timekeepers that didn't depend on the observation of celestial bodies. One of the…
(Encyclopedia)
CE5
A. Water molecule (black circles represent valence-shell electrons)
B. Structure of ice: Each oxygen atom (white circles) is bonded to four other oxygen atoms by hydrogen bonds…
This Top Ten list was compiled by the Technical Advisory Board of the Blacksmith Institute, an environmental NGO based in New York. The criteria used in ranking the include the size of the affected…
Here are some simple ways you and your family can cut back on water use:Don't pour water down the drain. Instead, use it to water your plants or garden.Fix dripping faucets. One drop per second…
