La popolazione mondiale ha consumato tutte le risorse disponibili per il 2015. Più precisamente il "giorno di superamento" sarà venerdì. Viene così definita la data in cui vengono esaurite le risorse che la Terra è in grado di generare annualmente. Il calcolo è stato effettuato dall'Ufficio federale dell'ambiente che in un comunicato ha spiegato che si è giunti a questo punto con 7 giorni di anticipo rispetto al 2014.
Per le 20 settimane rimanenti alla fine di dicembre, l'umanità vivrà a credito. Stando ai dati registrati, la situazione peggiora di anno in anno e se si proseguirà su questa linea nel 2030 avremo bisogno di 2 pianeti per riuscire a soddisfare il nostro fabbisogno.
La prima volta in cui è stato consumato più di quello che Madre natura è riuscita a produrre è stato nel 1970, quando il giorno di superamento è caduto a dicembre.
Il WWF e altre associazioni ambientaliste consigliano quindi di limitare i consumi e di prolungare la durata di vita degli oggetti che usiamo quotidianamente.
ATS/CaL
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