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Noise pollution
Noise pollution is unwanted or harmful sound that intrudes upon human or other faunal activity. Noise pollution is almost entirely human generated, whether by machine sources... More »
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Strait of Hormuz
Last Updated on 2013-05-20 at 13:48
Located between Oman and Iran, the Strait of Hormuz (26°34'0.00"N, 56°15'0.00"E) connects the Persian Gulf with the Gulf of Oman and the Arabian... More »
Strait of Malacca
Last Updated on 2013-05-19 at 18:27
The Strait of Malacca, located between Indonesia, Malaysia, and Singapore, links the Indian Ocean to the South China Sea and Persian Gulf. The length of the strait is about 800... More »
Estonia
Last Updated on 2013-01-21 at 17:46
Estonia is a nation of just under one-and-a-third million people in Eastern Europe, bordering the Baltic Sea and Gulf of Finland, between Latvia and Russia.
The... More »
Noise pollution
Last Updated on 2012-08-31 at 12:11
Noise pollution is unwanted or harmful sound that intrudes upon human or other faunal activity. Noise pollution is almost entirely human generated, whether by machine sources... More »
Hallidie, Andrew Smith
Last Updated on 2011-10-16 at 13:20
Andrew Smith Hallidie (1836-1900), the English-born American designer and builder of the first municipal cable car system (cable railroad) in San Francisco, California.... More »
Roads, highways, and ecosystems
Last Updated on 2011-08-10 at 10:51
Lead Author: John Stilgoe (other articles)Content Partners: National Humanities Center (other articles) and TeacherServe More »
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