La Svizzera è sempre più costruita. A cavallo tra gli anni Ottanta e Duemila il verde si è ridotto massicciamente. I profondi mutamenti del paesaggio elvetico sono fotografati nel rapporto dall'Ufficio federale di statistica (UST) pubblicato lunedì che riguarda il periodo 1985-2009.
L'evoluzione del consumo del territorio svizzero: il confronto tra 1985 e 2004
In 24 anni, ha calcolato l'UST, in Svizzera le superfici di insediamento si sono espanse del 23,4%. L'area residenziale da sola è aumentata del 44%, con un ritmo doppio rispetto alla popolazione. Per contro la perdita di terreno coltivabile nelle zone di pianura (-2,2 metri quadrati al secondo) è pari al doppio della media nazionale.
La "superficie d'insediamento per abitante e posto di lavoro" è cresciuta in media del 6,5% ma in modo diverso: ad esempio fra Basilea Città (+81 metri quadrati) e il Giura (+581 metri quadrati) la differenza è fino a sette volte superiore.
ATS/M.Ang.
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