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The natural parks in Alaska would suffer damages due to the increase in average temperatures that are melting the ice forming rivulets of mud and water, digging ruts in the streets and trails, making it difficult to access, moreover the new vegetation that grows in the tundra eventually obstruct the view to visitors. From some data temperatures monitored in Alaska would have increased by the middle of 1970s in percent about three times higher than in other states located to the south and this causes the melting of large masses of ice may also jeopardize the safety of workers parks as well as that of the visitors. Experts sometimes noticeable differences in the landscape that the rest would be obvious to all comparing old and new pictures, then it would be immediately visible the erosion that threatens the coasts, archaeological sites and various structures in Alaska.

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Telephone: +39 338 1809310 Date: 14/02/2011 article n°: 1500 _____________________________________________________________________________________________________