Pollution

n taint is the introduction of contaminants into the natural environment that cause adverse change.[1] Pollution can take the form of chemical substances or energy, such as noise, heat or light. Pollutants, the components of pollution, can be both foreign substances/energies or naturally occurring contaminants. Pollution is often classed as point source or nonpoint source pollution. The Blacksmith Institute issues an annual list of the worlds worst polluted places. In the 2007 issues the ten screen nominees are located inAzerbaijan, China, India, Peru, Russia, Ukraine and Zambia.[2]

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Modern awareness
Pollution became a touristed issue after World War II, due to hot fallout from atomic warfare and testing. Then a non-nuclear event, The  dandy Smog of 1952 in London, killed at least 4000 people.[8] This prompted some of the graduation exercise major modern environmental jurisprudence, The  alter Air incite of 1956.
Pollution began to draw major public attention in the United States between the mid-1950s and early 1970s, when Congress passed theNoise Control Act, the Clean Air Act, the Clean Water Act and the National environmental Policy Act.[9]

Smog Pollution in Taiwan
Severe incidents of pollution helped increase consciousness.



 PCB dumping in the Hudson River resulted in a expel by the EPA on consumption of its fish in 1974. long-term dioxincontamination at Love Canal starting in 1947 became a national news story in 1978 and led to the Superfund legislation of 1980. Legal proceedings in the 1990s helped bring to lighthexavalent atomic number 24 releases in California--the champions of whose victims became famous. The pollution of industrial land gave rise to the call up brownfield, a term now common in  urban center planning.
The development of nuclear science introduced radioactive contamination, which can keep lethally radioactive for hundreds of thousands of years. Lake Karachay, named by theWorldwatch Institute as the most polluted...If you sine qua non to get a full essay, order it on our website: Ordercustompaper.com



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