Author: tencentwords
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ISLE Summer School
A reel created as part of a raft of content for the International Society for the Linguistics of English summer school 2022.
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Clean Water Protection in the U.S.A.
In the USA, lakes, streams and wetlands were for a long time protected by the Clean Water Act of 1972. This law required that permits be issued prior to any filling, dredging or expelling pollutants in what are called “navigable waters.” In 2020 this law was replaced by the Navigable Waters Protection Rule. The enforcement…
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Why has nothing changed in water purification for 100 years?
Scottish innovation building on the shoulders of giants The first municipal water treatment plant was built in Scotland in 1804, though water treatment methods have been recorded as far back as 2000 BC. The significance of clean water was widely known, even if the means of purification had yet to be discovered. Broadly there were three…