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A number of sizable dust storms, ongoing drought and intense heat this past summer have many wondering if another Dust Bowl is in the works. The Dust Bowl Era was a series of drought years spanning the early and middle 1930s, which was made worse by wind storms that blew away a large amount of topsoil on the Great Plains. (...)

The article:
http://www.accuweather.com/blogs/news/story/56676/is-another-dust-bowl-in-the-wo.asp

More about:

http://www.scientificamerican.com/article.cfm?id=climate-change-threatens-second-dust-bowl

Basic information:
http://en.wikipedia.org/wiki/Dust_Bowl
http://it.wikipedia.org/wiki/Dust_Bowl

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Da leggere:

https://www.fabiomanzione.it/index.php?option=com_content&view=article&id=944:furore&catid=57:leggere&Itemid=140